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Prev Professional Automotive Repair Technical Discussions for June 29, 2009
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Help Request Answers
2002 Acura RSX 2.0L compressor clutch VIN: JH4DC548X2
Another tech in the shop has this RSX in for no a/c operation. We are begining to suspect a bad multiplex control unit. We have ground, supplied by the climate control (Dash) unit,all the way to the multiplex,but evidently no signal from the multiplex to the p...
1999 Audi A4 1.8L Surge, Cuts out VIN: WAUCB28D4W
On acceleration the vehicle will buck/surge. Oiginally I had a P0302 (misfire on cyl 2) code. Replaced #2 coil and that code has not come back. On acceleration, when boost hits 12 psi, the vehicle will buck and surge severely. I also have P1555 (17963) excessi... Trouble codes: P1555 (17963 - excessive boost pressure)
1998 BMW 750iL 5.4L radio VIN: WBAGK2325W
This car was brought in by a used car dealer. The radio does not respond to any input or function. The owner had purchased a used radio ecu in left rear of trunk and a used control panel. Neither of these helped at all. We have tried to check for all power and...
2000 BMW 528i 2.8L control unit VIN: WBADM6340Y
Thanks for taking the time to read this. I have a 2000 bmw 528i in that the trans goes into fail safe operation while driving as well as at a stop. The only code stored in trans control unit is code 80 or p1749. the description from my auto logic is "control u...
2003 BMW X5 3.0i 3.0L Cooling fan VIN: 5UXFA53543
Hey all i need some help on a 03 X5.The problem i have is 2 different.My alldata is down so im here for help is number (1).The auxillary fan will not run the fuse is good and i have power to the fan.But i dont have a ground to the tan wire at the connector.I h...
1994 Buick Century Custom 3.1L No Start, Stall VIN: 1G4AH55MXR
car came in on the hook. no fuel at the rail & power at the pump while cranking. so installed new pump, got fuel to the rail now but only 15 psi. blowed thru all lines and all are open, new filter. so thought i got a bad pump 2 pumps later still can't get any ...
1995 Buick LeSabre Limited 3.8L Electronic VIN: 1G4HR52L9S
Hi everyone have one that cant make sense of have interment a/c clutch I have voltage from hvac to pcm but pcm will turn clutch on & off have tried two different pcm"s. no codes in a/c or pcm can,t see any problems with data on sensor. any ideas? thanks randy
2006 Buick Rendezvous CX 3.5L Surge, Low Power VIN: 3G5DO3L76S
HELP! I have a Rendezvoux giving me quite a headache. Problem is intermittent... Only happens with hot engine, usually after driving 10 miles or more. Scanner indicates normal timing advance when engine is running good (50mph, 50% throttle = 25 degrees timing)...
1995 Chevrolet Blazer 4.3L compressor VIN: 1GNCS13W6S
hope you can help ,thanks in advance. well we replaced the oe unit because of noise that over got progressivly worst over time.replaced with new unit from DELPHI, flushed system ,replaced orifice tube ,and dryer ,everthing worked out well until couple months l...
1999 Chevrolet Cavalier 2.2L No Start VIN: 3G1JC5247X
It's been a long time since I've posted a help request, I hope I get this right. I've got a 99 Cavalier with a factory installed Natural Gas system. I was a GM tech for 17 years and never even knew they had one. I am now working in an independent shop and have...
2001 Chevrolet Impala 3.4L MIL Lamp on VIN: 2G1WF52E61
This is a new customer in for a inspection, The mil light was on. I scanned the car and it was PO420. The cat efficency. The customer stated that the light had been on for about 6 months. He said another shop had replaced the intake manifold gasket and radiato... Trouble codes: P0420
2003 Chevrolet Cavalier 2.2L Mechanical VIN: 1G1JC12F53
We have one that is driving us nuts! Towed in for a no start in March, no fuel pressure, replaced the pump. No start at times again early June, good fuel pressure, replaced crank sensor, all was well. Back 2 weeks later same issue, crank, no start, has fuel pr...
2003 Chevrolet Impala 3.8L No Start, Stall VIN: 2GIWH52KX3
This is a strange one.This Impala(my daughters's car)stalled after about twenty feet and would not restart. When I got to the car ,it would crank, fire and shut right off.Actually it was acting like a first generation passlock system problem or a standard tran...
2004 Chevrolet Suburban 1500 LS 5.3L Cuts out, Stall VIN: 3GNFK16Z44
Please help! I have this '04 Chev. Suburban, 5.3l "Z" engine with a problem that shows up intermittently. After driving at least 20-30 min., the car hesitates and lugs on acceleration, and will eventually stall. With a fuel pressure gage hooked up, when the pr... Trouble codes: P0171 (Lean bnk 1), P0174 (Lean bnk 2)
1998 Chrysler Concorde LX 2.7L Hesitation, Cuts out, Stall VIN: 2C3HD46RXW
mostly after drive it a few minutes ,start hesitation and cutting of , start up right a way ,if don`t gas it stay running! but when you gas it will stall. thank you all for your help matt Trouble codes: P1391
2002 Chrysler Sebring LXi 2.7L No Start, NO CRANK VIN: 1C3EL55R82
This vehicle was towed in for a no start, customer stated it would pop the fuel/start fuse, so R&R of the starter and having it rebuild with updated internals, install a new battery as his was gone and the vehicle starts. Returned vehicle to the customer, abou... Trouble codes: P1684 (serial link internal failure)
1999 Dodge Ram 1500 Van 3.9L Poor Idle Quality, Misfire VIN: 2B6HB11X8X
hello all looking for some input on this old worn out van it has been to another shop that first did an injector clean and upper intake clean and gave van back and told customer to drive and see what happened it took care of the cylinder 4 miss but 5 came back... Trouble codes: P0305 (missfire 5 cylinder)
2000 Dodge Intrepid 2.7L Hesitation, Surge, Cuts out, Misfire, MIL Lamp on VIN: 2B3HD46R9Y
hi guys i need your help here, this car came from a rental car place for check engine light and cutting out. other shop rebuild the engine and keeped the car for 3 1/2 months. i scanned and got the p1391 i replaced the cam and crank sensors and after i have th... Trouble codes: P1391 (intermitent lose of cmp/ckp sensors)
2003 Dodge Grand Caravan Sport 3.3L Toe VIN: 2D4GP44303
Customer came in and requested alignment at 78000 miles. Set the alignment to specs. About 2000 miles later the vehicle returned with the steering wheel off center. Reset the alignment no other problems found (no worn parts) assumed we made a mistake and sent ...
2003 Dodge Ram 3500 Truck 5.9L evaporator core box VIN: 357MU48C03
i have seen lots of smart techs on here please help me out.This truck had a evaporator core leak, and front seal leaking on the compressor.core was replaced as well as compressor and dryer the system was cleaned and the passanger side gets real c...
2005 Dodge Caravan SXT 3.3L Stall, Misfire, MIL Lamp on VIN: 1D4GP45R95
This van came in with a CEL lite and a complaint of stalling and shutter on accel. Prior to this there was a crank sensor and Ignition coil and wires and plugs installed. When I test drove the vehicle it feels that the car is shut off for a second (only felt t... Trouble codes: P0335, P0300
1963 Ford Falcon 170CID Mechanical VIN: 3R24U11298
ATTENTION: VINTAGE FORD LOVERS - Thought this would be an easy project for my wife but turns its becoming difficult. So here it is Bought a real nice Falcon Deluxe station wagon with stock 170 and a 2 speed automatic it ran but found it had busted #5 & 6 pisto...
1967 Ford mustang 289CID Coolant Temp. VIN: 117T61C260
Have checked everything and have come to the decision that it must be the sending unit... But, don't have the information for a 1967 mustang coolant temp sensor... I have tried two different ones and a new guage and guage goes to hot... no short in wire to sen...
1994 Ford Bronco Eddie Bauer 5.8L transfer case VIN: 1FMEU15H4R
Please help, truck came in no 4x4 at all, no indicator lights or nothing,so first thing I did was check all fuses ok checked iatn, many hits about shift motors, so I taped on motor, no change. next performed self test on shift control module passed self test. ...
1996 Ford F Super Duty XL 7.3L No Start, Poor Idle Quality, Cuts out, Stall, Misfire VIN: 1FDLF47F5T
Hi. This is our on-site tire repair truck. This thing idles all day every day because it has a compressor and calcium pump on-board. 2 weeks ago it wouldn't start and the icp read 1911psi during crank, which is its failure/Default value. I unplugged it and it ...
1996 Ford Taurus GL 3.0L MIL Lamp on VIN: 1FALP52U8T
im leaning towards putting a computer in this car. another tech put a EGR valve and DPFE on the car. i cleaned the passages, installed a EVR solenoid but still cannot get the EGR to function correctly. i have a vac gauge hooked inline and when i drive the car,... Trouble codes: P0401 (EGR insufficient flow)
1996 Ford Explorer Eddie Bauer 4.0L MIL Lamp on VIN: 1FMDU34X3T
code keeps returning even after cleaning ports, checked vacuum to EGR valve, it's good, installation of new parts. Don't know what else to try. Computer? Everything that was done has always fixed other vehicles. EGR system working ok at this time. Help! Trouble codes: P0401
1998 Ford Windstar GL 3.8L tcc VIN: 2FMZA5146W
i need some help on this one thanks in advance. we replace the transmission on this van a year ago because of the custmomer complaining of the rpms jumping a few hundred then going back down. we could not verify the complaint but he wanted the trans replaced. ...
2000 Ford Mustang 3.8L draw on batt VIN: 1F4GI66983
hi all and thank you for looking at this. i have a 2000 mustang that will kill the battery overnight. it has a new battery and alternator in it. first thing i did was put meter in line on negative side and got a 2945ma draw for about 15 seconds then it went do...
2002 Ford F-350 Super Duty Lariat 7.3L Misfire VIN: 1FTSX31F12
please help. helping out an account i have, do not do much on diesles. truck came in barely running with no power in the am and sometimes going down the road. cel on code 1316 only. cust told needs injectors, we did the job complete all injectors etc... all we... Trouble codes: 1316 (idm codes stored)
2004 Ford F-350 Super Duty Lariat 6.0L No Start VIN: 1FTWX32P24
This truck came in directly after being to the dealer were they replaced the low pressure oil pump , front cover , ipr valve, injector o-rings , & oil tubes. I need some help figuring this one out. There are no codes present or pending and is passes the KOEO t...
2005 Ford Freestyle Limited 3.0L a/c VIN: 1FMZKO6125
hi all, never worked on a freestyle befor,dont see much late model stuff. thanks for your help. Car came in ac not very cold complant. No leaks found, blows warm air @ idle, will blow cold air @ 2500 rpm. A/C pressure at idle is about 70/175 or so, low side pr...
1992 GMC C1500 Sierra 5.7L Hesitation, Cuts out, Stall VIN: 1GTEC14K1N
Thanks in adv ance for all your help. After used engine installation,this truck will stall at idle. Fuel pressure at idle is 15 psi, LTFT 110, STFT128. After fuel return line is pinched truck runs great and fuel pressure jumps to 20 psi. Map sensor readings at...
2002 GMC Envoy SLE 4.2L fan clutch VIN: 1GKDT13S12
cust complained about intermit. check engine light and the fan was making alot of noise. checked codes with genisys, p1484 cooling system fan performance in history, none in current codes. relaced electric fan clutch. cust returned with check engine light on, ...
2005 GMC Canyon Z71 SL 3.5L ABS light on VIN: 1G1CS19665
Good day people. I have this 05 Canyon that is turning on the ABS light with a code C0035 left front wheel speed sensor circuit or front sensor supply voltage circuit. This code is intermittent. The light has never come on while I'm driving. Both front wheel s...
2003 Honda Pilot EX 3.5L Temperature VIN: 2HKYF18533
This Pilot is giving me a little stress. See related repair history. The AC is cold when controller is on 60 degrees, when you move control knob to 61 degress or better the compressor shuts down and the system blows warm/hot air. I can not get any codes out of...
2004 Honda Element EX 2.4L compressor VIN: 5J6YH18614
I have a honda that came in with a complaint that the ac blows warm. The system is fully charged but the clutch will not engage. Have power to the clutch. So I replaced ac compressor with a reman compressor assemblly. Not my idea. Started car up everything was...
2008 Honda Civic LX 1.8L Misfire VIN: 2HGFA16568
This vehicle was sent to use from a body shop. They did some body work and sent the car off with no clamp on a radiator hose. The car ran OK for a few days until the hose blew off. The customer kept driving until the check engine light came on from a misfire. ... Trouble codes: P0302
2001 Isuzu Trooper Limited 3.5L Excessive Emissions, Poor Idle Quality, Cuts out, Misfire VIN: JACDS58X51
Hey guys, I'm pretty sure I know what's wrong with this one, but would like someone else to tell me if I'm all wet here. The car came in to the shop smoking and running very rich. I listened to each injector with a stethoscope - all were clicking ayway but #2... Trouble codes: P0302 (Misfire Detected - 2 cylinder)
2002 Isuzu Rodeo LS 3.2L wiper motor VIN: 4S2DMS8W12
Hi everyone.This truck came in because the wiper motor wouldn't work in intermediate.We tried a new combination switch with no luck.Tried a used alarm relay which the intermediate works through still no luck.We ended up changing the motor and it worked for a l...
1998 Jeep Grand Cherokee Laredo 4.0L Hesitation, Surge VIN: 1J4GZ58S3W
Hello All, This Jeep is presenting some very interesting symptoms. The orignal customer complaint was that when the vehicle is being driven for some time, when on the highway at about 50-55mph the vehicle begins to surge slightly - the surging is due to the T...
2002 Kia Sedona EX 3.5L Hesitation, Misfire, MIL Lamp on VIN: KNDUP13192
thanks for all the help in advance, this kia has a slight miss on take off then goes like a bandit down the road.I have done all I could think off the only major thing I found wrong was the tone wheel on the crank gear had spun about a 1/4 inch from where it n... Trouble codes: P0300, P0303, P0305
2005 Kia Sedona EX 3.5L controls VIN: KNDUP13245
Good morning to all... Here we have a 2005 kia sedona with an ac problem. Customer states that the ac will stop blowing cold and the lights for the ac controls will flicker. Not blink but flicker. I have duplicated the problem and noticed that when the blo...
1999 Land Rover Range Rover SE 4.0L Brakes VIN: SALPA1241X
Good morning. Thanks in advance for any and all help. We have a 1999 4.0S Range Rover that the customer states that when he backs out his garage in the morning and applies the brakes the pedal is real low. Then they work fine for a while. Then the pedal will g...
1999 Mazda Miata 10th Anniversary 1.8L MIL Lamp on VIN: JM1NB353XX
Car came in with check engine light on, code 303. Runs a little rough, but not a dead miss. Fuel trim data is lower than I have ever seen at -68 LTFT and ~-2000 STFT After clearing codes 303 has not returned at this time. I attempted to clear KAM by disconnect... Trouble codes: 303 (Misfire detected cyl3)
2005 Mazda 6 i 2.3L Poor Idle Quality, Surge, high idle VIN: 1YVHP80C75
Hi Have a no code problem Mazda. Cruise surge is not caused by the EGR. Very hi idle at stops intermintantly, 5000rpm... It has no vacumn leeks. Driving 35mph tach dip 500 rpm and comeback. At idle 200 to 400 rpm surge some times to 5000 rpm if put into neutra...
2008 Mazda CX-7 Grand Touring 2.3L MIL Lamp on VIN: JM3ER29LX8
Good morning fellow techs. I have this Mazda CX-7 here in the shop. It belongs to a car rental company. In February 2008 my newbee C tech performed an oil service on this car and neglected to reinstall the oil filler cap. The car thus went out on a rental and ... Trouble codes: P2088, P0012 (in cam position timing over retarded bank 2)
1973 Mercedes-Benz 450sl 4.5L No Start VIN: 1070441200
Hi every one got pain car fixed no fuel pump problem 100 miles ago. know has no spark cant find any relations to what i have done, I had replaced #3 relay . I am not getting power to coil need to find transistor ignition unit dont know were it is & how to test...
1981 Mercedes-Benz 380SL 3.8L Fan operation VIN: WDBBA45AXB
This vehicle has fan operation in defrost, anytime you push the defrost button. The fan will not work when you push the bi-level, Auto high or Auto low buttons unless the A/C switch is turned on. If the A/C switch is on the fan will work in all positions
1999 Mercedes-Benz CLK320 3.2L airbag VIN: WDBLJ65G1X
Really need some help from you benz techs, The car came in for a code 004 air bag light on. Code was defined as high resistance driver airbag squib. found a test procedure and ended up replacing the airbag and clock spring air bag was used clock spring was fac...
2002 Mercedes-Benz SPRINTER 2.7L No Start VIN: WD2YD34132
Hi all hopefully someone can help me with this one. This vehicle was brought in unable to start no matter how much you spin it over, but once you hit it with a little starting fluid or silicone spray it starts right up and runs fine until the next time. The co... Trouble codes: 14810, 14810, 14810, 14810, 14810
1997 Mitsubishi Eclipse GS 2.0L MIL Lamp on VIN: 4A3AK44Y1V
Pulled down removed and installed timeing belt. Checked crank gears and cam gears. Code returned. Pulled down timing covers and recheck marks, OK reassemble and check cam timing marks with timing light with engine running OK. Adjust pin tension at cam sensor. ... Trouble codes: P1390 (Timing out one or more teeth)
1999 Mitsubishi Eclipse GS 2.0L Power Steering A/C Belt VIN: 4A3AK44Y5X
Hey guys, thanks in advace for your help. I have a 1999 eclipse with a 2.0l NON TURBO. It has been throwing the p.s. and a/c belt for about 2 years but is gradually getting worse. It will throw a belt in less than a month now. I have checked all the alignments...
2001 Mitsubishi Eclipse GS 2.4L No Start, Cuts out VIN: 4A3AC44G41
hi techs. im having a heck of a time with this eclipse. towed in with a broken timing belt (interference engine) so i took the head off and sent it out. got the head back and put it all together. put new timing belt and pulleys and also the balance shaft belt.... Trouble codes: P0300
1997 Nissan Pathfinder LE 3.3L Poor Idle Quality, MIL Lamp on VIN: JN8AR05Y4V
This one has us stumped, car came in with check engine light on. Code P0505 (IAVC ACC valve fault). We replaced the Idle air control valve, checked ignition timing with a Solus and a timing light, performed Idle setting procedure (reving to 2000 for 2 min an... Trouble codes: P0505 (IAVC-ACC Valve Fault)
2000 Nissan Altima GLE 2.4L Stall, MIL Lamp on VIN: 1N4DL01D6Y
this came with the code 0505.before scanned i knew was iac related problem.first of all the owner installed a used one,didnt work,then he put a new one and was doing samething.he ask me if i could take a look.i notice that when is cold runs bautiful,got power ... Trouble codes: 0505 (iac/acc)
2001 Nissan Sentra GXE 1.8L Stall VIN: 3N1CB51D31
How ya'll are?? Got this here Sentra giving me fits. Comes in as no start. Retrieved codes, was slightly overwhelmed.Cranked, started, died. Grabbed my trusty Vantage and off to pin-out land I went. Verified all powers/grounds at ECM.It does start and run.Watc... Trouble codes: P0100 (maf ckt malfunction), P0180 (fuel temp. sensor sensor ckt), P0300 (random misfire), P0303 (cylinder 3 misfire), 01110 (int/timing control b1 malfunction), P0464 (fuel level sensor ckt)
2004 Nissan caravan 3.0L MIL Lamp on, VIN: VWE25-8075
Hi Guys and girls This van is doing my head in. This an imported van badged Isuzu Como but is infact a nissan van.The on board electronics seem to do a self test during cranking. ie ( the check light only goes out when the engine is cranked ).If the lamp goes... Trouble codes: 75 (ps-pump control modual)
1997 Oldsmobile Aurora 4.0L Hesitation
The car has a loss of power in drive about 2500 rpm lite throttle. If you punch it, it will go but lacks some power. A friend of mine has this car at his shop. I only had a snap on brick to check scan data. LT fuel trims b1 -6 b2 -10 at idle, b1 3 b2 4 at crui...
2001 Pontiac Grand Prix SE 3.8L Power Steering Pump VIN: 1G2WR52171
This Vehicle came in with a pressure hose leak and a power steering pump making the typical graoning noise. Customer requested replacement of the pump and the hose. We did so leak fixed noise still there. We have flushed the system and replaced the pump 2 more...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2008 Acura tsx 2.4L No Start, Poor Idle Quality, Cuts out, Misfire VIN: JH4CL96938
Thanks for the responses after fighting with this i found that the injectors were sticking and not firing it would happen intermitently and usualy when it was warmer. We flushed the fuel out of tank again and flushed rail added BG44k and replaced all of the in...
2002 Audi S8 4.2L Recaro Seats
Thanks for the help everyone. I ended up ordering the zipper pull from Germany. It took 3 weeks to get here. The car is done and the seat cover looks great.
2004 BMW X5 3.0i 3.0L Compressor VIN: 5UXFA13524
I had another X5 and a E36 325 come in the 2 following days...I hadnt noticed that the condensor fan wasnt kicking on and causing the system to get hot, pressurize and shut down as a safety. I've now found out that these condensor fans fail regularly and afte...
2004 Buick Rainier CXL 4.2L unknown
Changed transfer case fluid twice. I released the vehicle back to the owner last week and checked back in with them today and they are fully satisfied that the noise and jerk are gone. Thanks to all that helped.
1994 Chevrolet C2500 5.7L Poor Idle Quality, MIL Lamp on VIN: 1GCEC29KXR
Thanks for all the help found tcc drawing to much current not letting EGR circuit work. Thanks again for all the help Trouble codes: 32 (EGR Circuit error).
1995 Chevrolet p-30 5.7L preignition / knock VIN: 1GBJP32K1S
thanks for all the replies , the problem was in the head gasket .num 3 and 5 cylinders ,, compression leaking from one cyl to another, compression was low on these two and when diassembled found small crack in gasket,,replaced gasket assemblied engine all is f...
2003 Chevrolet Suburban 1500 LS 5.3L No Start VIN: 3GNFK16Z63
Hello again and thanks for all your help! I did a few more test to pin-point the fuel pump and found a bad pump. Volume test was out of spec. and pinch test confirmed the pump. Replaced the pump and vehcile ran great with no fuel pressure loss. Thanks again fo... Trouble codes: P0430 (cat. efficiency below threshold).
2004 Chevrolet Suburban 1500 LS 5.3L temp. blend motors VIN: 3GNEC16Z54
This is a great sight. Thank's to everybody that sent replys. I checked all of the connectors that were suggested for pushed out pins,or loose corroded pins and all was good. next, I cleared the codes and recalibrated the control head and ran system until it f...
2007 Chevrolet Cobalt LT 2.2L Lighting VIN: 1G1AL55F17
first all thanks to all replied we checked wire from head light switch to bcm and bcm to power distribution box and could hear relay click but no park lights so order new box and fixed lights and dash lights all is well now woo woo! relay was fixed to circuit ...
2001 Chrysler 300M 3.5L skim VIN: 2C3HE66G41
1990 Dodge Dakota 3.9L A.C. operation VIN: 1B7FL26X8L
Hello Fellow Mechs, 90 Dakota is still in process truck has two issues needs expansion valve and low pressure cycling switch even with continous run on compressor, the lines are warm at expansion valve. This problem is intermittent. I still believe there is an...
1997 Dodge Grand Caravan ES 3.8L cooling system VIN: 1B4GP54L8V
2000 Dodge Stratus ES 2.5L MIL Lamp on VIN: 1B3EJ56H4Y
Thanks for all the replies and can say this car is fixed. Replacement of the evap purge solenoid was the fix. When initially tested prior to first repair vaccum was at normal.(intermittent or just needed to be tested at cooler temperature), because when cold t... Trouble codes: P1394 (p1494 - leak detection pump switch or mechanical fault).
1995 Ford Bronco Eddie Bauer 5.8L abs activation VIN: 1FMEU15H1S
Thank you all for your replies. 5 mentioned sensor mount rust buildup/air gap issues. 2 said to replace both front sensors. 1 said to disable ABS to verify regular brakes were working properly. (This I was able to do) 2 mentioned potential problems with the ...
1998 Ford E-150 Econoline 4.2L No Start VIN: 1FMRE113WH
Thanks for all the response that were of help and the one that were and the one that were not so helpful. turns out this problem was caused by a short in the wire harnish to the dpef sensor circuit, five volt signal shorting to ground due to exposed wire from ...
1999 Ford Ranger XLT 4.0L Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on VIN: 1FTZR15X1X
Hello again and thanks for all your help! I confirmed a bad fuel pump with a very low volume test. Removed the pump and the filter was almost pure black. I had to replace the pump, removed all the old gas to clean tank and Vehicle now runs great with fuel pres... Trouble codes: P0171 (system to lean bank 1), P0174 (system to lean bank 2).
2001 Ford F-250 Super Duty Lariat 7.3L MIL Lamp on VIN: 1FTNX20F21
ok guys customer decided that we were taking to long on this one so am going to have to put it back together and ship it,but i did find out one thing if i unplugged #3 injector it would only throw codes for 1&3,but if i unplugged #1 it would throw all the othe... Trouble codes: P1271 (high to low open cyl.1), P1272 (high to low open cyl.2), P1273 (high to low open cyl.3), P1274 (high to low open cyl.4), P1275 (high to low open cyl.5).
2004 Ford F-150 XL 5.4L Unknown VIN: 1FTPF12584
After the first couple of responses pertaining to timing chain, took a further look at chain and guides. Found timing chain had been slightly tapping the cover and when cranking the engine you could see the timing chain tensioner jumping extensively and the sa...
2007 Ford Freestyle SEL 3.0L Wrench Lite On VIN: 1FMZK02137
Hello Thanks to all that replied. We sent this to the dealer for reflash of the ecm and that seems to have straighten it out. Vehicle has been gone for about a week and customer hasn't been back. Thanks Brian Trouble codes: P061B (Internal control module torque calibration performance), U0401 (Invalid data received from ECM/PCM).
2001 GMC Yukon XL 1500 SLT 5.3L No Start, NO COMMUNICATION VIN: 3GKEC16T61
Fixed found water had gotten inside of PCM connector number 1 and corroded connector and pcm connections. Cleaned up put back together and everything worked fine. Noticed vehicle is two wheel drive and doesnt have all splash shields four wheel does. Possibl...
2004 GMC Envoy SLE 4.2L All gauges VIN: 1GKDT13554
Thanks to all for help. Sent unit back to company who fixed and programed cluster. No info given about what was wrong but is fixed now.
2002 Jeep Grand Cherokee Laredo 4.0L starts in 3rd gear VIN: 1J4GW58592
The fix was to replace the faulty governor pressure sensor and governor solenoid. Armed with GREAT replies, I monitored the desired and actual governor pressure on the DRB 3. They should be the same, and the same as the MPH up to 47 mph or so, and then it's s...
2003 Kia Sedona LX 3.5L Cylinder Heads VIN: KNDMP13193
I thank everyone who responded. A special thank you to Mark from Florida, he had a cylinder head to measure this oil passage. Its a no.48 drill bit or .075" / 1.93mm.
1991 Mercedes-Benz 300SE 3.0L Excessive Emissions VIN: WDBCA24E8M
adjusted the fuel mixture, i also replaced the oxygen sensor and spark plug which helped HC .
1998 Mercedes-Benz E320 3.2L MIL Lamp on VIN: WDBJF65F1W
well sorry guys i couldn't get this one fixed. checking scanner pids parameters for setting code is map voltage should be between 2.2 to 4.7 volts. I had 3.7 volts showing on scanner so i don't think it should be setting code so had to send to dealer and I rea... Trouble codes: P0105.
1999 Mercedes-Benz SLK230 Kompressor 2.3L Poor performance VIN: WDBKK47F0X
The fix was pretty straight forward. We sent the PCM in to Beckman and it was indeed bad. We inspected the magnetic clutch for the supercharger and did not see any rubbing or loose bearing once it was apart. We did replace it anyway as part of the job since th... Trouble codes: P1235 (Recirculated air flap signal output stage), P1236 (Compressor output stage magnetic coupling), P1420 (Air pump switchover valve), P1525 (Camshaft timing stored actuator).
2004 Mercedes-Benz G500 5.0L 1-2-3-4-5 shift VIN: WDCYR49E84
Thanks for the help everyone. Based on the replies, we are pretty sure the transmission electronics plate is the problem. We won't know until the owner finds someone to pay for the job; Mercedes won't help her and neither will the dealer that sold her the vehi...
2008 Mercedes-Benz c350 3.5L instrumentation VIN: WDDGF56X68
thanks to all but i found the asnwer on youtube,
2004 Nissan Altima S 2.5L transmission VIN: 1N4AL11D64
According to Mitchell On Demand, courtesy of Nissan, the Turbine Revolution Sensor is located at the rear of the transmission and has a Green, Red/Yellow, and Black 3 wire connector. The Revolution Sensor is located about one inch in front of the Turbine Revo...
1989 Oldsmobile Cutlass Ciera 2.8L No Start, Poor Idle Quality VIN: 2G3AJ51W1K
Thanks to all, Problem was bad injectors.When I checked ohms on both banks they were the same.Instead of thinging there may be a bad injector on each bank I just asumed all to be ok. Jim
1994 Pontiac Firebird 5.7L No Start
Well, IATN wants me to close this one out by the 4th, and it's going to be after that when I look at the vehicle again. Probably going to double check most of the things you guys mentioned and also the stuff I went over, as I think everything that it could pos...
2002 Porsche Boxster Roadster S 3.2L MIL Lamp on VIN: WPOCB29882
2000 Saturn LS2 3.0L MIL Lamp on VIN: 1G8JW52R4Y
Sorry, I have not been able to get more information for you as of yet. I got two responses for possible MAF, when we checked it, it seemed ok, as I said this was intermittent. If we could consistantly cause this to fail, it would be easy. As far as the tune up...
2006 Saturn Vue 3.5L steering wheel VIN: 5GZCZ63476
Two people hit on the head! Measure the rotors cold and they are within spec. Measure the rotors when hot and they are right at the limit! Replaced the rotors and drums and the customer has not returned for a week, so I'm calling it a fix. Rotors were still wi...
2000 Subaru Legacy GT 2.5L Poor Idle Quality, Hesitation VIN: 4S3BH6459Y
Thanks again to everyone who offered help,tried a few more things intake pressure sensor and the front fuel ratio sensor still not fixed, myself and the techs at subaru are stumped, I still think it was the computer but will never find out, its been traded. T...
2001 Subaru Outback 2.5L MIL Lamp on VIN: 4S3BH67511
We were able to work with our aftermarket supplier and got some money back, which we put towards an OEM CAT. And O2's. Scan data looks good, so we're calling it good for now. Thank you for all your help. I will NEVER put an AM CAT on a Subaru again! Trouble codes: P0420 (Catalyst efficiency below threshold).
2006 Subaru STI 2.5L Stall VIN: JF1GD7069L
Never did duplicate symptoms again after tapping on pump and pulling fuel control unit out so customer decided to take as is. Both Andy and Mike from iatn suspected a feel pump issue and said they have had very little problems to date with controller. Will l... Trouble codes: P1571.
2003 Toyota MR2 Spyder 1.8L No Start VIN: JTDFR32073
Found the owner had a "Unichip" aftermarket performance unit installed in series with the ecm which was causing the problem. It used the two inner ecu connections which are exactly the connectors that contained the ecm to tcm CAN circuits. Trouble codes: P0863 (CAN communication malfunction), P0900 (Clutch solenoid circuit).
2007 Volkswagen Passat 2.0T 2.0L compressor VIN: WVWAK73C27
Thanks to all for your help, I replaced the compressor and problem fixed, apparently it had a deffect from the factory. the other shop has change the compressor 3 days before it was brought to me. we all think because is new the problem was some place else, bu...
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