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Prev Professional Automotive Repair Technical Discussions for September 19, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
2003 Audi A4 1.8L No Start VIN: WAUJC68E73
Car was towed in from another shop, they got fustrated with it and sent it to me. The story I got was that the car drove in, problem was trans was going into limp mode. So they were looking for the TCM in the ECM plemun, although this is a CVT trans with the T... Trouble codes: P1523 (no signal from crash signal air bag controller), P1635, P1699, P1650, P1649
2001 BMW 740i 4.4L dead battery VIN: WBAGG83491
To all tech, I have a customer with a 2001 BMW 740i who claims his battery drains dead after parking overnight. According to the customer, the dead battery symptom does not occur everyday. The charging system appears to be functioning properly. After shutting...
2003 BMW 325i 2.5L Glass VIN: WBAEV33423
Passenger front window down-"click" when button pressed up or down from motor area, scan zke 010 code for pass door window-cannot find any info in Alldata for code, remove panel-power window up-when re-connected-window drops when button either pressed up or do...
2006 BMW 530i 3.0L steering lock VIN: WBANE73536
RED steering lock warning in idrive and center dash. no crank. when key fob is inserted into column only airbag warning light comes on no other light is illuminated. idrive says key inserted but steering lock fault on. Customer says warning light was yellow pr...
2007 BMW 328xi 3.0L Tpms VIN: WBAWC33517
Hopefully this one will be short. This car has had a TPMS light on for quite a while. When we brought it in, we did find that the LF tire was quite low. Repaired it, aired all other tires to specification, and initiated the recalibration sequence. One code ke...
2001 Cadillac DeVille 4.6L Unknown VIN: 1G6KD54Y01
Hi, everyone this car came in for door locks and window not operating. Checked all ground and power wiring , everything looks ok. With the remote entery door locks working , which tells me (ddm)is working fine , right front window working fine but other windo...
1991 Chevrolet Camaro Z28 5.0L Cuts out, Stall, no power VIN: 1G1FP23F2M
Trying to find cause of repeat fuel pump failures, pulled tank down and looked for any debris or loose baffles everything looks good. We are changing strainer and fuel filter everytime also. The low amps looks to me like something is clogging strainer, but its...
2002 Dodge Ram 3500 5.9L Fuel pump VIN: 3B7MF33672
Customer was driving and truck just quit. !st thing I thought he'd run out of fuel. took 10 gal. fuel put in. I just checked fuel pressure @schrader valve no pressure So i suspected fuel pump in tank. replaced did no good. @ times I get fluid @ valve then time...
2002 Dodge Ram 1500 SLT 5.9L Speedometer VIN: 1D7HU18Z12
Customer replaced trans with a reman. When finished,speedo inop. Airbag light on,abs light on,brake light on,and heater mode stays on vent only.will not switch to floor,defrost etc. The only code is a p0500-no vss signal.trans has all gears w/lockup.shifts a l...
2003 Dodge Ram 2500 5.7L Unknown VIN: 3D7KU28D63
HEY ALL,i have a ram 2500 4x4 givin me some greif.at times while driving it shake like crazy ,steering wheel wil shake ,front shakes .stop vehicle ,take off ok.checked on hoist transfercase has a lot of noise sounds like stretched chain and bad bearing noise,o...
1997 Ford Explorer Limited 4.0L Noise VIN: 1FMDU34X7V
Intermittently on start up hot or cold. More so when engine is warmed up you get loud howling noise from air cleaner. Take air cleaner housing apart at air filter noise is still there but louder. Give it gas still have noise then goes away. Noise will go away ...
1998 Ford Windstar 3.8L rack & pinion VIN: 2FMZA5146W
replaced rack & pinion and pump, returns leaking from end seals every 3-6 weeks
2003 Ford Explorer XLT 4.0L AM Radio VIN: 1FMZU74K13
Hello, and thank you to all that take the time to read this. I have this Explorer that when the engine is off the AM radio works perfect, as soon as you start the engine the radio turns to static like the antenna was removed, you can barely hear anything other...
2004 Ford F-250 Super Duty XLT 6.0L starter relay VIN: 1FTNX21P44
Ive got a 2004 F250 with the 6.0. While the customer was driving down the highway at 70mph it began to run poorly with some black smoke. The overdrive lamp starting flashing. So he pulled over and killed it and tried to restart it to see if it would help. The ...
2005 Ford Expedition XLT 5.4L MIL Lamp on VIN: 1FMPU15545
Hello guys, I'm hoping to get some help from anyone familiar with these engines and this particular problem. This vehicle came in with code P0011. We flushed engine oil and changed oil, twice, with no success. Code returned. The tech then changed both VCT sole... Trouble codes: P0022 (Intake cam timing overadvanced bank 2), P0011 (Intake cam timing overadvanced bank1)
2006 Ford E-350 Super Duty 5.4L Stall VIN: 1FBNE31L76
this van was in the shop in july for a stalls while making u turns. the other tech cleaned the t/b and sent it out. it now back with the same problem. i test drove to confirm an as i was making a u turn at the underpass the van stalled and died. i tried to sta...
2008 Ford Taurus Limited 3.5L MIL Lamp on VIN: 1FAHP27WX8
Vehicle runs perfect no misfires no lack of power. Does have a longer than normal crank when starting. Trouble codes: P052B, P052D, P0016, P0018
2001 GMC Yukon XL 1500 SLE 5.3L Surge, MIL Lamp on, Low power VIN: 3GKFK16T61
We don't work on many of these around here so some advice would be appreciated. The customer originally brought it to a local exhaust shop and they replaced all the O2 sensors and both cats. Lots of shiny parts under this vehicle. (see code list) The custome... Trouble codes: P0153 (O2 sensor circuit slow response B2 S1), P0155, P0131 (O2 sensor low voltage B1 S1), P0151 (O2 sensor low voltage B2 S1), P1153 (O2 Sensor insufficient switching B2 S1)
2003 GMC Safari 4.3L Misfire VIN: 1GKEL19X43
This van has been in and out of the dealership a few times and never been fixed.While driving up hill usually,under load, just before it shifts into overdrive, it will miss for a couple of seconds then go away. It will set the check engine light on and sometim... Trouble codes: P0101, P0300
2005 GMC Sierra 1500 5.3L MIL Lamp on VIN: 132FDOI1CD
truck keeps throwing PO446 code replaced vent solenoid and carbon canister as both were full of dirt and would not close solenoid has been back twice now for same code we can hear click (open/close) with scanner vent should be working Thanks for your help we d... Trouble codes: P0446
2002 Hyundai Accent GS 1.6L shifts & overdrive VIN: KMHCG35C52
Jumped in car for the first time and headed 1/2 mile to the highway. While on the onramp I felt slight bucking. Managed to get to 4th gear and then noticed trans started searching between 3-4th a few times before going into limp mode. The only code I get is th...
1999 Jaguar XJ8 4.0L traction / stability fail VIN: SAJHD1049X
Vehicle came in with abs and check engine lamp on. , speedo is inoperative and customer states this condition is sporadic. Scan confirmed failure in abs system , code c1165 and p1000. When abs module was replaced,all seemed well until after 8 or 9 restarts the...
2000 Jeep Wrangler SE 4.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1JFA49S5YP
This thing starts fine and then after it warms up a little (not much) it starts running rough and it will set p1296 map volts sensor low. running on graphing multi meter you can see hash lines that drop below .100 millivolts (hence this is why its setting the ... Trouble codes: P1296 (Map volts too low)
2005 Jeep Grand Cherokee Laredo 4.7L MIL Lamp on VIN: 1J4HR8N95C
Hello fellow techs, have a 2005 jeep grand cherokee laredo in the bay here and i am having some problems. Customer came in with check engine light on. Scanned pcm retrived code p0452. Went through the flow chart and thought we pinponted it to a bad evap solino... Trouble codes: P0452 (nvld pressure switch stuck closed)
2007 Jeep Grand Cherokee SRT8 6.1L Starter VIN: 1J8HR783X7
With key to "on" position, data center displays "Transmission Over Temp" ) "Check Guages" ) "Service 4WD System" errors. But as stated, no communication with PCM or TCM is available. All transmission position indicators are "circled" / lit on dash and does not...
1999 Mazda B2500 SE 2.5L No Start VIN: 1YGVF22C2X
Hi Folks and thanks in advance for any help. This vehicle came in with a no start condition. I have no injector pulse and no fire. the vehicle does have an immobilize system and the immobilizer was shorted blowing the fuse. I replace the immobilizer with a use...
1999 Mazda 626 ES 2.0L No Start VIN: 1YGVF22C2X
Hi Folks and thanks in advance for any help. This vehicle came in with a no start condition. I have no injector pulse and no fire. the vehicle does have an immobilize system and the immobilizer was shorted blowing the fuse. I replace the immobilizer with a use...
2003 Mazda 6 i 2.3L 4th gear VIN: 1YVFP80C33
Are we missing something or have we gotten 2 defective transmission in a row. When talking to the owners husband, he thinks he was missing fourth gear but the wife thought it was third. That means there is a possibility of three transmission with no fourth gea...
2006 Mazda 5 Touring 2.3L Misfire, MIL Lamp on VIN: JM1CR29346
Help guys, have this 06' mazda 5 that came in on the hook running rough, no power, MIL lamp on, A/T lamp on. scanned the codes and found a P2100 TAC malfunction and also that the vehicle had lost #1 and 2 cylinders. checked fuses, checked harnesses, nothing fo... Trouble codes: P2100 (Throttle actuator circuit open)
1995 Mercedes-Benz C280 2.8L Excessive Emissions, Misfire VIN: WDBHA28EXS
Hi yall, i have this Mercedes in my shop for a failed smog diagnosis, normally i do not work on Mercedes but this is for a good customer, for a California smog inspection the max hydrocarbons allowed is 100 ppm.. while monitoring the readings at idle i watched... Trouble codes: P0303
2004 Mercedes-Benz S430 4.3L Mechanical VIN: WDBNG70J94
I have thid Mercedes S430. When the customer drove it home last night he told me it wouldn't come out of first gear. This morning he toed it in. It has two codes stored 2502 and 2504. When I brought it in the shop it would move under hard acceleration but when...
2003 Mini Cooper S 1.6L MIL Lamp on VIN: WMWRE334X3
This mini is driving the owner nuts!as i stated in a previous post,the customer works in the parts business,so therefore she likes to buy her own parts and have me install them.she says the mini dealer says there is no vehicle speed sensor in the tranny,althou... Trouble codes: P0500
2002 Mitsubishi Lancer ES 2.0L Hesitation VIN: JA3A26E62U
good customer, towed back from canada, where it broke a timing belt. they put in a belt. still had bent valves. we replaced valves, and had belt off time a tooth at first because we used the other shops timing marks. checked timing by factory marks 5 times now... Trouble codes: P0304
1999 Nissan Maxima GXE 3.0L Misfire, Miss at stop light VIN: JN1CA21DXX
I test drove the car and when you are sitting at a stop light you can feel a slight miss or hiccup that comes and goes. Sometimes it will be there constant and other times will come and go every 5 seconds. But car accelerates fine no miss under load and NO MI...
2001 Nissan Sentra XE 1.8L Cuts out VIN: 3N1CB51D21
Car runs great when started cold until driven for about 5-15 miles. Then idles fine and runs fine if you keep it below 2500 rpm and just apply light throttle. Heavier throttle application or higher rpms and it cuts out as if you turned off the key until you le... Trouble codes: P0420 (Catalyst Efficiency B1), P0430 (Catalyst Efficiency B2), P0403 (EGR Circuit Malfunction)
2005 Pontiac Grand Prix GT 3.8L Suspension VIN: 2G2WP52245
There is a pronounced rear suspension noise going over bumps. Its quite load. Will do it on a small bump too, like pulling into the shop, just the concrete lip into the garage, load clunk. Happens always. If I jump the rear(jounce) it will not make the noise. ...
2001 Saab 9-3 2.0L Engine VIN: YS3DD58HO1
General question as to what kind of can of worms I am going to open. This saab has had some oil leaks in the past. They have been no big deal. What I would like to know is now I have what looks like a leak from either the timing cover or the headgasket. Its on...
2004 Saturn Vue 2.2L Poor Idle Quality, Cuts out, Stall, MIL Lamp on VIN: 5GZCZZ3D84
and now when you go to start it.It runs rough for about 15 sec. no throttle response and then shuts off. when you go to crank with out cycling the key we see no spark if you turn ign. switch off and then back on it will start up again we have replaced the thro... Trouble codes: P1599
1998 Toyota Camry LE 2.2L Poor Idle Quality, Hesitation, Stall VIN: 4T1BG22K2W
Immediately following filling up fuel tank fully engine will cut off at idle & some hesitation is felt on acceleration. Symptoms disappear completely after driving about 10 miles & does not occur after getting gas without topping tank off completely. This is m...
1999 Toyota Camry LE 2.2L MIL Lamp on VIN: 4T1BG22K8X
Tested and found bad vacuum switch for egr car left back four days later.Retested circuit noticed with test light on ground side of connector and vacuum gauge hooked to egr side of switch command with scanner test light will flash and vacuum will bleead off sl... Trouble codes: P0401
2005 Toyota Camry LE 2.4L Engine knock VIN: 4T1BE32K35
The car has had an intermittent knocking noise at idle for some time. Not there all the time. Have heard it more after warmed up, at idle, with the a/c on but I have heard it with the a/c off. Listened with steth. and seems to be lower end. Car has been mainta...
1994 Volvo 960 2.9L no start, engine cranks VIN: YV1KS9519R
hey folks, after we replaced the engine, car started and ran and drove well. The problem began a few days later when, after shut off,it would crank but not start; we checked for codes and manually pulled codes 131 - "RPM signal" and 314 - "Cam signal"; so far ...
2001 Volvo V70 2.4T 2.4L Oil leak VIN: YV1SZ58DX1
Hello All: Volvo oil leak from dip stick tube and oil cap. We did the usual oil trap replacement along with hoses and cleaning oil galleys into block. We still have leaks... First question: We checked pressure at dipstick tube, 1.5- 2.0psi, is this too hi, is ...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1995 Buick Regal Custom 3.8L Poor Idle Quality VIN: 2G4WB52L2S
Thanks to all the replied to this help, David from Manitoba was right on the money only our problem was occurring all the time. We double checked all the readings, checked and disconnected the cruise, checked the throttle plate and checked the idle screw then ...
1995 Buick Regal 3.8L No Start, long crank VIN: 2G4WB52L2S
Thanks for all the replies. The consensus seems to be cam, crank, injector or fuel pump. If the customer brings the car back I will check these things first. Unfortunately he barely drives the car and is not interested in spending much time or money on it. ...
2005 Buick LaCrosse CX 3.8L Stall VIN: 2G4WC53215
sorry for the delay on the fix,this is a family members car,he was doing some of the diagnosing him self and would call me from time to time,it turned out to be a bad crank sensor,thanks for all the replies
2006 Buick Terraza CXL 3.5L chime VIN: 5GADX33LX6
Checking all modules for codes, I found 2 codes in the seat module that related to the seat memory switch. I pulled the switch and touched the pins on the connector with a test light and that re-created the same chime. Found that the switch was shorting to g...
2002 Chevrolet Silverado 2500 HD 6.6L No Start VIN: 1GCHK29192
This appears to be a injector issue with too much bypass/return back to tank. I am waiting for the customer to get a new set of injectors. Thank you for tour time, Mark
2003 Chevrolet Silverado 2500 HD 6.0L MIL Lamp on VIN: 1GCHC24U73
Still working with this, Delco Rep suggests we rewire pins at computer from throttle. Thanks for your help folks. Trouble codes: P0120, P2135 (tp snsr 1-2 correlation), P0332.
2003 Chevrolet Trailblazer LS 4.2L smell of fuel VIN: 1GNDS13SX3
Thanks for all the information I am waiting for customer to get back to me so I am going to close this and will updat when I hear back and or fix the vehicle. Thaks again, Stan.
2004 Chevrolet Express 3500 6.0L No Start VIN: 1GBJG31U94
Thanks to Michael from Connecticut, for the voltage readings of 10v. Although that didn't totally solve it, it put me on the right track. And Todd from Michigan, for confirming the crank sensor voltages, and Carter from New Mexico for also helping to point in...
2003 Chrysler Town & Country Limited 3.8L No Start VIN: 2C8GP44L63
I pulled the 2 pcm connectors and check all power and ground circuits. I checked the TP and MAP sensor wiring for 5 volt and ground. Both were good. I unplugged the wire to starter solenoid and it would not go to 5 volts under crank. I than ran a separate wire... Trouble codes: P0118, P0123, P0508, P1598, P1193.
2005 Chrysler Pacifica 3.5L Misfire, MIL Lamp on VIN: 2C4GM68455
The pcm for this thing was on national backorder, so we sent it out to a company who said they could fix it and updated it. We recieved it back, reinstalled it and had the exact same problem, since then I have completely disassembled the harness to inspect for... Trouble codes: P0205 (Fuel Injector 5 circuit).
2001 Dodge Durango 4.7L Rear Window Defogger Botton VIN: 1B4HS28N31
Greeting's fellow tech's.. I have this Durango now fixed..Before I forget to say so, THANK'S for the responses.. After considerable trouble shooting and not getting anywhere, I decided to send the truck to the dealer in order to try and recalibrate the HVA...
2005 Dodge Grand Caravan SXT 3.8L Left sliding door VIN: 2D4G244L45
As most replies said was the harness/flexible conduit at bottom of door. Replaced and all is well,. Thanks Mike
1991 Ford E-350 Econoline Custom 7.5L Steering VIN: 1FDKE37G4M
Ok this one was easy most of you told me that the pump was good because the p/s/pump is not directional if the steering works one way it should work the other way too, some of you told me to disconnect the tide rods and check the kin pins and boll joints….but ...
2005 Ford E-250 5.4L MIL Lamp on VIN: 1FTNE24L95
Most who offered help were on the right track, but Joe from Texas hit it right on the head. On the drivers side of the vehicle, where the engine harness is routed by the egr pipe, the harness has melted and rubbed though. When the engine torqued due to drive... Trouble codes: P0351 (Ignition circuit malfunction cyl 1).
2008 Ford Expedition EL Limited 5.4L engine VIN: 1FMFK19528
I finally was able to talk the boss into droping the oil and filter to check it. Upon draining the oil it was found to have a lot of silver in it. we stopped right there and in the process of selling the customer a new engine. No since in taking engine apart t...
2008 Ford F-450 Super Duty XL 6.4L No Start, MIL Lamp on VIN: 1FDXF46R28
After several more inspecitons and engine tear downs, found the fuel tank had delaminated causing contamination in the fuel system and was neccessary to rebuild. Thanks to all the helpful input Trouble codes: P2291 (Icp low cranking).
2003 Honda Accord LX 3.0L Mechanical VIN: 1HGCM82703
Thanks for all the replies.I believe the trans will need to be replaced or rebuilt.It was my daughters boyfriends car.Ends up they haven't had the car too long.The dealer his grandpa bought it from said if his guy did the work he would help pay for it,so they ...
1998 Jaguar XK8 4.0L Poor Idle Quality, Hesitation, Surge, Stall VIN: SAJGX2240W
i not only went back and rechecked all the powers and grounds i also looked at the sensors directly. All readings taken at sensors were normall. So i appears that the problem is in the ECM thanks for the help. Trouble codes: P1260, P1571, P1252.
2000 Jeep Grand Cherokee Laredo 4.0L LF abs sensor circuit
Alldata pictures of the wire harness side was wrong,found transposed drawings between left side harness and left side sensor Have to have B+ on the correct terminal for these sensors to work
1997 Mercedes-Benz S420 4.2L Hesitation VIN: WDBGA43G8V
Wiring harness check out fine. Motor mounts in great shape. I have tried known good maf with no change. When engine is warm the ecm will not advance cam timing. MAF, MAP, TPS, O2 all test ok. 5 gas shows great fuel mixtures. Still beating my head against the w... Trouble codes: P0325 (Knock sensor circuit bank 1), P0330 (Knock sensor circuit bank 2), P1386 (Knock sensor control from ecm at end stop).
2003 Mercedes-Benz SL500 5.0L Ride control VIN: WDBSK75S63
Hi Every one, after replacing the left rear leaking valve, we filled the fluid up, and had a friend come in with Benz scanner. During the process one the hydraulic hose at front busted up. I have noticed that the pressure builds up high in the system, and the ...
2006 Mercury Milan Premier 3.0L front exhaust cam VIN: 3MEHM08106
hi, thanks for your replies, I replace both hydrollic tensioners. works fine for now, the engine was clean inside , no sludge build up, after I reinstalled the engine I decided to change the motor oil and it had only 1 quart in it at best, and it was like mud....
2003 Mini Cooper S 1.6L Compressor VIN: WMWRE334X3
sorry for delay in closing,but the a/c problem was a dual problem that is solved.the compressor clutch coil had gone dead.i couldn't even hot wire it off battery.the pressure cutoff switch underneath the air filter box had green terminals.all is well with a/c ...
2002 Nissan Maxima SE 3.5L No Start VIN: JN1DA31A82
Thanks for the good posts. Everyone pretty much hit it dead on. 0 Compression bank1 and 30 on bank 2. Replaced engine with a lower mile one. Trouble codes: P0138 (O2 sensor).
2004 Nissan Murano SL 3.5L Electronic VIN: JN8AZ08W84
thank you guys for the help on his murano the problem was the wheel bearing ; when i change the wheel bearing the first time it was after market . so i got one from the dealer fix the problem . thank you guys again
2004 Nissan Maxima SE 3.5L Motor Mounts VIN: 1N4BA41E64
Thanks for the tips guys Lowering the sub frame [as far as loosening the nuts on the studs would allow] gave me the extra clearance I needed. Since neither MOD or AllData listed any info on this job, I'll add some here. Hopefully, it will help someone else....
2006 Subaru Forester X L.L. Bean Edition 2.5L Fuel smell VIN: JF1SG67696
thanks to all that replied.the customer contacted the dealer that just worked on it,that said nothing was wrong,and they asked him if he would give them one more shot at it.they are to put new vent valve in the tank this time and possible canister for him.the ...
1991 Toyota Camry 2.0L Misfire VIN: 4T1SV21E9M
The general consensus was inferior parts, I wanted to purchase factory parts to start with but they were unavailable, and now, not wanting to sink anymore money into my $400 beater, I warrantied out the napa plug wires, added an extra dose of dielectric grease...
1996 Toyota Camry LE 2.2L oil seals VIN: 4T1BG12K2T
After rebuilding the trans, and since we had the motor out, we replaced every seal on the motor. I do not make a practice of glueing in seals, in fact this is the first one, but I did on all of them. I did check vacuum and pressure after reinstalation. No pres...
2004 Volkswagen Passat GL 1.8L Poor Idle Quality, MIL Lamp on VIN: WVWPD63BX4
I received many replies mostly all stating that the timing has to be off. A few replies about the cam and crank keys breaking. Even though I have done many of these engines and set the timing chain on them, the chain was off on this one. I guess sometimes y... Trouble codes: P1340.
2005 Volkswagen Beetle GLS 1.8L overheat VIN: 3VWCD31Y05
Spent alot of time and suspected head/head gasket issue. Even after water pump, t-state, temp senors,radiator, etc over a long drive temp would increase enough to over heat. I ended up pulling t-state and drove and never went over 200 deg and released to custo...
2006 Volkswagen Jetta 2.5 2.5L trans slips or does not engage into 4th gear VIN: 3VWSF71K56
Valve body replaced fixed problem. Common to VW. electric valves are not sold seperately. Have to buy whole unit. $800.00 USD
2003 Volvo S80 2.9 2.9L Leak VIN: YV1TS92D93
Seems we should have looked closer at our Alldata TSB's. There has been a problem with the fuel pump/sender housing leaking fuel externally, and ours was no exception. Would not leak while running, but would after sitting awhile. If the fuel pump has a [...] h... Trouble codes: P0456 (Small Evaporative Leak).
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