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Help Request Answers
2000 Audi A8 4.2L No Start, MIL Lamp on
vehicle wouldn't go over 1000 rpm, now it won't start. multiple codes for throttle assy-p1542 p1171 p 1558 p1545 p1564 p 1559. p0118 CTS. p1411 load regulation. p0103 maf. durning no start spark is good but no injector pulse. if i unplug throttle assy (intermi...		 View
2005 Audi A4 3.2L Steering angle sensor
Hi Audi guys, please help me out. Battery was disconnected while working on SRS. Since reconnecting battery and driving the ESP warning lamp stays on. Code 01826 stored. When I look at the measuring blocks the steering angle sensor stays at 0. Code 01826 sugge...		 View
2000 BMW 528i 2.8L MIL Lamp on
I don't know what else to do, I bought this car with a head broken, I did replace the head and gasket, synchronized the cams with the special tools, remove the vanos and replaced the seals of the pistons, I did notice an improvement. The ABS module has an inte... Trouble codes: 18 (exhaust camshaft position).		 View
1989 Cadillac Allante 4.5L high idle
Thanks in advance for reading this. I apologize for the lack of test results. I'm just throwing this out there hoping to get some advice on where to start on this car or maybe if someone knows of some common problems on these caddy's. He states that while driv...		 View
2009 Cadillac Escalade 6.2L Starting
I have this 09 Escalade, 2008 Suburban and 2007 Tahoe with the same intermittent "no crank" problem. Engine will NOT spin over according to customers. 2 customers said the problem acts like a dead battery, we get the vehicle here and it starts. We installed ne...		 View
1982 Chevrolet Corvette 5.7L Poor Idle Quality, Misfire
customer came in and said that vehicle would die after started and did not do it every time. i started the vehicle and the idle was at 1300rpm they set the timing at 25 degrees btdc and the idle plug was removed and set up. i set everything back to spec know t...		 View
1996 Chevrolet Pickup 5.7L Misfire
Good afternoon, I have what may be a stupid question but how do you go about verifing a bad injector assy on this Vortec? I have never had to replace one so I want to be sure it is bad. The truck has high misfire counts on cyl 3 and 5. Has some on cyl 6 but ju... Trouble codes: P0134 (p0135-), P0135 (p0137-), P0137 (p0300-), P0300 (p0420-), P0420 (testing and results).		 View
2001 Chevrolet Silverado 6.6L engine
the truck arrived to me without any codes, the customers complaint was that the truck just turned its self off after driving for several miles ((80). the fuel regulator was replaced as well as a pair of rubber fuel lines located above the engine. after i perso...		 View
2001 Chevrolet Silverado 8.1L Engine
hi, GM or Chevy Techs, I need your help and suggestions for this Silverado LS C2500 Vortec 8.1L engine. This vehicle is making a knocking or rattling sound when cold start, engine oil level is ok and it runs fine when warmed up. There's a TSB for the 6.0L engi...		 View
2002 Chevrolet Express 5.7L MIL Lamp on
this is not a help request this is informative only. this van came to us with intermittent p0200 code and after hours of research I was unable to find any real help to this problem. I dove into the wire harness and located a rubbed through section of wire wher... Trouble codes: p0200 (injector driver malfunction).		 View
2002 Chevrolet Malibu 3.1L Excessive Emissions, Poor Idle Quality, Cuts out, Stall
Thanks in advance guys. Ive got this malibu in here that is throwing me for a loop. This car will die at random then run rough pop back thru the intake and die,Ive noticed on the scan tool the timing going from 12-32 deg. of timing @ idle and bounces around, I...		 View
2005 Chevrolet Aveo 1.6L warning light
This car has a intermittent problem with the charge light coming on. The battery has never gone down because it only has happened 4 or 5 times in the past week. When it is on it is only on for a few minutes at the most and sometimes for just 5 or 10 seconds. T...		 View
2005 Chevrolet Corvette 6.0L Starting
This 2005 Corvette has keyless push button starting. The starter will not engage. 1. The information center does NOT display the "no key fob" message when attempting to start. I did verify by removing the key from the vehicle at which time I did get the "no ...		 View
1994 Chrysler LHS 3.5L no fan and no a/c clutch
car came in with no cooling fan or a/c operation. replaced pcm and fans started working. now no a/c clutch. bcm gone bad?		 View
2005 Chrysler Sebring 2.7L Tensioner Pulley
A 2005 Crystler sebring with the 2.7l came in for an oil leak. Found it to be the crank seal. Replaced crank seal and followed Alldata's procedure and torque specs. After i got everything back together there was a pulley noise We did put on new serp belts. Use...		 View
1997 Dodge Ram Van 3.9L Cuts out
hi guys , when started hot or cold within first 2 miles van loses power almost stalls engine wont take gas ,feather gas ride out no power for 20 30 seconds then van will run great no stalling or power lose, van does this most of time not every time no codes se...		 View
1997 Dodge Grand Caravan 3.3L Starting
Customer came in with headlights staying on always, interior lights not working, wiper start by themself or inop. Some one hacked wiring and install yard bcm. Checked wiring to affected circiuts and repaired cut wires. Replaced turn signal switch because left ...		 View
1999 Dodge Durango 5.9L compressor
vehicle came into the shop with a complaint of the compressor wont shut off. checked switch opperation, when switch is turned off the compessor shuts off. i am thinking a high pressure switch, any other ideas??? thanks guys		 View
2002 Dodge Pickup 4.7L Misfire
Hello everyone i really need some serious help with this one, The truck was bought at an auction so we really dont have any repair history to go on , other than what we have done. So any help would be great. so here we go We have a code po353 already has had ... Trouble codes: PO353 (3 primary circuit).		 View
2006 Dodge Charger 5.7L Radiator
This Charger has a broken radiator due to hitting something on the highway. Has anyone replaced one of these? It looks like much disassemble on the front end may be needed. If anyone has any advice on the radiator removal process, I would be glad to hear it. T...		 View
1995 Ford Econoline 7.5L soft pedal
Van came in front brakes metal on metal. Put new rotors and pads on vehicle and bled the system. Also cleaned the rear brakes and adjusted. Start the vehicle and the pedal goes to the floor. Turn vehicle off and try and pump pedal up and its still soft. Drive ...		 View
1997 Ford Ranger 2.3L timing
i have timed this engine in any way possible. i thought that maybe i had bent valves (even though it is a freewheeling engine), but compression checks tell me otherwise. i am getting fuel, fire and compression, the truck should run. it almost sounds like it is...		 View
1997 Ford Pickup 4.6L window
need help i have a 97 f150 with a problem the driver window is inop if i use the switch the interior lights blink on and off if i unplug motor,window switch,or one touch relay the lights will blink checked powers and grounds at the gem module and wires from fu...		 View
1999 Ford Econoline 5.4L pre ignition/detonat
car came in for excessive ping, spark knock, seems to be a lean condition ping, block off egr still pings. new maf,still pings, acts exactly like timing is too far advanced. thanks		 View
2001 Ford Pickup 7.3L Misfire, Poor Fuel Economy
i dont normally do much diesel service work, so if i say something dumb here please be patient, vehicle came in with a complaint of poor fuel mileage, and a skip. the skip can be heard somewhat at idle, but actually makes the engine shake at approx 1100 rpm. t... Trouble codes: P0284 (cyliner number 8 contributonbalance fault), P0473 (exhaust pressure sensor high input).		 View
2002 Ford Pickup 7.3L engine no start
Vehicle stalls when hot and will not restart, cold runs fine. IPR tests open, but does not stay open circuit. Looks like a IPR problem, but I do not want to change this part and find out there was another direction I should go.		 View
2003 Ford F550 Super Duty 7.3L idle noise
engine has a hollow knocking sound when idling if you remove the intake not loud like the bent pushrod noise but a hollow drum noise with the cold side intercooler hose removed pulled compression all good cylinders are 320 psi to 330 psi truck runs smooth lots...		 View
2004 Ford F650 rollbac CID speedo inoporable
Hey guys, hope I can get some help here... Here are the specs on this truck: 2004 Ford F-650 Rollback 4dr 230 Catepillar 6cyl diesel. It has an allison automatic transmission w/o the park option. We drove down the street the other day and it got stuck in gea...		 View
2006 Ford Ranger 4.0L No Start
This one is really starting to screw with us. Truck was brought in on flat bed. No start and no crank. Security light flashing rapidly. Checked all fuses--ok. Attempted to communicate with PCM using IDS and no communication. Checked powers and grounds to PCM--... Trouble codes: P1639 (vid block), B1602 (pats system), B1213 (pats system).		 View
2005 GMC C4500 6.6L Low Power
This Duramax deisel engine idles at 1100 rpm and will not accelerate over 2200 rpm. when the brake is applied to shift into gear the adle drops to normal 600. no codes are stored. all sensors are within spec. the only test it fails is the low pressure side of ...		 View
2005 GMC Yukon 6.0L Unknown
2005 yukon denali whistle sound from vents with a/c on doesnt matter what the fan speed or the temp is set to. when the sound occurs it will only last for about 5 to ten seconds no real repair related history we replaced the a/c compressor and reciever dryer a...		 View
2000 Honda Passport 3.2L Poor Idle Quality, Cuts out, Stall, Misfire, MIL Lamp on
this truck has been to 2 dealerships and 1 other independent shop. the problem is after a stint of driving the truck looses power and starts to miss the codes listed are the only ones that show up the low voltage code is from a faulty alternator. the problem i... Trouble codes: p0562 (low voltage), p0705 (see service manual), p1125 (electronic throttle control), p1221 (tps circuit 12 circuit performance), p1295 (electronic throttle control power management), p1515 (commad vs. actual TPS correlation).		 View
2001 Honda Civic 1.7L electric window
Thanks in advance. I have some questions I hope a honda guru can help me with. our pass window won't go up.This is a 2 door. But sometimes will go down. we have two of the same cars so I have some parts to try. Tried both switches & motors but have the same pr...		 View
1998 Jeep Wrangler 4.0L No Start
Customer gets in jeep to go home and all it does is click. tries battery charger and jumper cables and still cannot get to turn over. Suggested that battery could have internal short. Replace battery and cranks over fine, but will not start. Get in shop, no mi...		 View
2002 Kia Spectra 1.8L Poor Idle Quality, Misfire, MIL Lamp on
Runs very poorly, customer bought this car in this condition. The head has been redone, has new timing belt, new cam sensor, one new coil, new spark plugs, new plug wires, all before it got to me. It is sporting two codes P0340 Cam Sensor Malfunction, and a P0... Trouble codes: p0340 (Cam Sensor Malfunction), p0300 (multiple cylinder misfire).		 View
2003 Kia Sorento 3.5L Engine Compression
Customer had the car towed in with a large rip in the top radiator hose, he drove it till it got toasty hot and it died. I replaced the hose and it started and ran fine. Two days later he brought it back with misfire codes on 2 & 4. Radiator wouldn't hold pres...		 View
2001 Lexus ES 300 3.0L No Start
Hello All, I got this lexus ES300 came for 90k service i completed the service, AFTER SERVICE HAS BEEN DONE IT WONT START. The engine check light and air bag light and over drive light stays on when the key is not even in the iginition i back tracked my work ... Trouble codes: p0753 (open short in solnoid valve), p0758 (shit solenoid valve), c1201.		 View
1986 Lincoln Town Car 5.0L temp control
Hi techs - I am working on an ac problem on this museum piece. The car really does only have 44k on it, and it is very nice and very original. Too original, maybe, including all the HVAC gear and vacuum lines. This car has the classic "step on the gas and ...		 View
2004 Lincoln LS 3.0L 2-3 Shift
We recieved this car from another shop after 2 transmission replacements with used units. We replaced the solenoid pack with aftermarket but lost reverse afterwards. Factory part was on backorder. I spoke with orginal tech who stated the car was shifting hard ...		 View
1985 Mercedes-Benz 380SL 3.8L Stall
This jewel of a Benz has a stalling problem only when hot,in drive,at a stop.Restarts with no problem.Can unplug the isc motor and the idles goes up to 1500+.I asume that the isc system is functioning.The idle is at 600 to 650 in drive.It seems that a switch i...		 View
2001 Mercedes-Benz C240 2.6L MIL Lamp on
Hi all Merc techs I have one for you. This vehicle came in for the mentioned fault code. I have erased it, reset all adaptations and sent it on its merry way. Two days later car came back in same code. Mercedes TIS indicated with this fault it either could be ... Trouble codes: P2031-032 (G32 before CAT O2 sensor at off sensor signal error P0130).		 View
2002 Mercury Mountaineer 4.6L Mechanical
help me with this one please.loud snap/type noise when you pull forward while turning only after you back up.(noise only a one time bank,feels like under your seat or left front).It is definately in the drivetrain as i have removed the front propeller shaft an...		 View
1991 Oldsmobile Cutlass Supreme 3.1L No Start
hey guys, i am pulling my hair out on this one. 1991 olds cutlass supreme w/ 3.1l . vehicle would stall after being driven for 10 minutes or so.(sometimes longer) would ususally restart after about 5 minutes. while testing i noticed fuel pressure was low so i ...		 View
1996 Oldsmobile Achieva 3.1L Anti-theft
I asm looking for a re-builder or supplier of the IPC for this wonderous work and marvel. Originally the customer stated they had to perform the security relearn and it was becoming more frequent over the last year- from every other month to monthly, to weekly...		 View
2004 Other European GT 6.0L Air Conditioner
Got this GT came in not blowing cold, check freon level, was .4 pounds in system. Evac, vacuumed, and recharged to 1.43 pounds(about 650gms, as called for I believe). Still not blowing cold, no high speed operation either. Disconnected high pressure switch and...		 View
2002 Pontiac Grand Am 2.2L No Start
hey guys, have a problem with a 2002 pontiac grand am w/2.2l ecotec engine. owner towed vehicle to shop for a no start condition. it seems he purchased the vehicle with a blown engine. he then purchased a used engine with 50000 miles from an individual. he in...		 View
2003 Saturn L200 2.2L Transmission shifting
Need help from the Saturn gurus! What I have here is a 03 Saturn that when your driving down the road and floor the accelerator it will not shift until I let off the pedal some! It was diagnose as a internal transmission problem, so we replaced it. After test ...		 View
1992 Toyota Pickup 3.0L Cuts out, Stall
i got this truck in for a intermittent stall at 10 mph.it has code 14 no ignitonref signal. i duplicated this problem a few times it just shuts off just like you turn the key off at 10 mph on the dot. i have spark when it stalls, with my noid light hooked up i... Trouble codes: 14 (no ignition ref signal).		 View
2006 Toyota Camry Solara 2.4L lf wheel
This car came in with the left front wheel locked up so we ran codes no abs or other codes present . So I released psi at the caliper an wheel turned I then removed caliper an the piston was stuck would not compress and i also removed the rubber flex line an s...		 View
1995 Volkswagen Jetta III 2.0L No Start
vw tech, please help. car came in with long cranking problem when car sit overnight. check residue pressure- drop [...] 0 bar when car sit overnight and long cranking occur. replace fuel regulator and fuel pump- same problem. fuel pressure will stay at 2 bar afte...		 View
2003 Volkswagen Passat 1.8L engine
hello techs customer was driving on freeway when oil light came on then check engine light .the oil light is off when the car is ideling but ther is a lot of noise from the valve train when you put it at fast idel oil light comes on scan. comp. code found p001...		 View
2004 Volkswagen Jetta 1.8L MIL Lamp on
i have a p0171 i cheked for vacuum leaks no leaks.my short fuel trims are high.my mass air flow is ok swoped it with a good one from another car we have with ap0411 that keeps on setting aswell no vacuum leaks i put a used secondary injector pump now the pump ... Trouble codes: P0171.		 View
1994 Volvo 960 2.9L Cruise Control
Hi everyone- Thanks in advance for your help. We've got an unusual problem on this Volvo 960. The cruise control does not work at all. For the most part, in my experience, these cruise control systems are very reliable and usually simple to fix- If they quit,...		 View
2004 Volvo V70 2.5L compressor
Not getting ground signal from engine ECM to terminal 1 of the magnetic clutch relay. Compressor runs fine and air is cold if i use a jumper wire at clutch relay. Did notice that the evap temp sensor shows 0 degrees celsius could this be the cause?		 View

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1993 Chevrolet Camaro 5.7L Electronic
Hi ,guys , thanks for help , The problem vas the ECM .I recharge and steel had same problem . Kept troing code 66. (low pressure) .Diskonekt ac compressor and biapast , then vas working fine.I did complite test from Alldata and anded up with bad ECM . 		9
1994 Chevrolet Camaro 5.7L Interior
i would like to thank everyone who helped found out if you jar console it would blow fuse orange wire was touching parking brake assy thanks again jimmy		 9
2003 Chevrolet Suburban 5.3L Radio
Thanks for all the replies. The noise in the speakers went away by itself before I could do further testing. The customer has now said that this has been coming and going for a while, just takes the right bump. Most replies were to replace the antenna and lead...		 11
2007 Chevrolet Malibu 2.2L Misfire
The problem was some pretty nasty looking water in the fuel. This is a returnless fuel system and when a slug of water got into the fuel rail it all floated to #4 on a left hand turn and #1 on a right hand turn. This is Arizona - it's 114 degrees today and we ... Trouble codes: P0300 (random missfire).		 12
1991 Dodge Caravan 3.3L Misfire
thanks to everyone who sent in replies.Gordon,bill,jeff,& mike hit it on the head.we scoped the cam & crank signals,we found we had a sync problem.the cam & crank signals were overlapping each other.The flex plate center was ripped out but still trapped under ...		 15
1993 Dodge Ram Van 5.2L cuts out
replaced computer and it ran very bad but it started and did not stall for a week trying it several times a day then the next start it died! reinstalled old computer and bingo it has been good since but now that i have posted this i have a feeling that i may g...		 12
2002 Dodge Ram Van 5.2L Cuts out
First thanks for all the replies. Good to see people taking a little time to help. At first I tried a crank sensor ($) but in the end the ECM fixed it		 10
2006 Dodge Pickup 5.7L no start/crank
thanks for all thge replies they were a bit helpful found ground 107 torn off must have snagged on engine when removed or installed re assembled ground cleaned g105 and battery terminals all ok now truck works fine 		5
1999 Ford Pickup 7.3L Poor Idle Quality, Hesitation, Misfire
Well this one went away without a fix... The idm was tested & determined to be good as was the wiring, pulled valve cover & found the oil squirt that looked like the others so I hafta assume that the engine was the culprit, my logical side however has a proble... Trouble codes: po284 (cylinder balance fault 8).		 11
1999 Ford Taurus 3.0L Excessive Emissions, Poor Idle Quality, Stall, Poor Fuel Economy, MIL Lamp on
Friends, Sorry to say I didn't fix this vehicle. I followed every suggestion and learned much. I did find out that the engine was replaced with a used unit that I was told ran good for three months. I never talked to the customer and I'm not sure I'm getting t... Trouble codes: P1101 (maf).		 9
2001 Ford Econoline 4.2L Poor Idle Quality, Misfire, MIL Lamp on
when running there was a difference in running when #5 injector was unplugged, how every not alot. replaced injector and intake gaskets while it was off, although i didnt find a leak there to start with. reassembled and rechecked vehicle ran very good. Thanks ... Trouble codes: P0174 (bank 2 lean), P0305 (5 missfire).		 10
2001 Ford Excursion 7.3L Stall, MIL Lamp on
The customer brought the vehicle back in and we tried to get it to die over two days but it would never die, we left it run for a whole day and took it on a test drive every hour and a half. So we looked at some of the suggestions we recieved on iATN, which we... Trouble codes: po230 (fuel pump relay driver fail), p0232 (fuel pump relay driver failed off), p0603 (ICM KAM error), p1210 (ICP greater than expected), p1211 (ICP not controllable pressure abovebelow desired).		 13
2001 Ford Focus 2.0L charge light
sorry it took so longv ive been really busy and havent been logged in for awhile. i checked all the stuff you guys stated except for pcm connection the boss shipped the car . i dont know what he told rthem . he wasnt charging them enough time to look at the ca...		 11
2004 Ford Mustang 4.6L MIL Lamp on,
BAD GAS CAP AND THANKS FOR THE HELP I DIDNT HAVE ALOT OF INFO ON THIS SYSTEM.		 8
2004 Ford Pickup 5.4L Cylinder Head
It seems like the RH cam fails more than the left side. Possible causes are poor design, wrong oil & filters & poor maintenance. I did replace the heads in the vehicle. I got the proper tools for the job, but I really used the one that sets the crank on TDC, a...		 3
1999 GMC Jimmy 4.3L Number 4 cyl
The customer did not want to proceed with the repairs. The customer is going to try to repair it himself. If he does bring it back I will update all with the fix. Thanks for your help!		 16
2005 Jeep Grand Cherokee 4.7L MIL Lamp on
Thanks again for everyones input, but I'm going to call this closed as the customer continues to drive this, tow with it and with no problems. Just updated the ECU with a flash with our Verus. Trouble codes: p0300 (multiple cyl misfire).		 8
1998 Mazda MPV 3.0L No Start
Thanks to everyone who responded. It's fixed... Well... Umm... Yep... Fixed... Ok I was sure I timed everything right, but somehow I took my eye off and bolted on, the left bank cam sprocket using the WRONG keyway. I had decided it was IMPOSSIBLE that I ...		 6
1995 Nissan Maxima 3.0L MIL Lamp on
I got the same code for the purge volume control 6 wire solenoid and the two wire purge control solenoid. The problem ended up being in the two wire solenoid. Voltages were okay to the solenoid and back to the ecm but on the return wire to the ecm (even though... Trouble codes: p0443 (purge solenoid valve).		 2
2003 Nissan Frontier 3.3L fuel tank
Thanks for all the responses, Hear is the fix, I check all vapor plumbing under truck back to the canister, all lines were clear and the charcoal canister would flow plenty of air using shop air to test the flow for each component. But the vapor line coming fr...		 10
1995 Pontiac Grand Am 2.3L tachometer
ok its fixed, first i tried another instrument cluster since i was getting a signal, the tach would move slightly with new cluster, went ahead and double checked white wire from pcm and installed new pcm, tachometer started working normally I then checked the ...		 2
1993 Toyota Camry 3.0L Starting
Thanks for all the help from all .I Had the car idle ,take for test drive did not stall,I Let the customer take the car.Ater 3 days He call me and said the car is not stalling.He say it may be the distrubitor before.		 11
1999 Toyota Camry 2.2L Cuts out, Stall
we got the vehicle good and hot and tap tested every sensor return we could get to while hot and only while hot the cts would spike to ref voltage crazy fast replaced cts and vehicle has left the building thanks for all the info from u guys that answered		 10
1999 Volkswagen Jetta 2.0L Hesitation, Cuts out, Misfire, MIL Lamp on
Thanks for all your helps. I had tried most of them before posting and still had problem. I finally went after the wiring and completely looked at the harnesses. On top of the trans in about 2 inches of grease I found a 5 or 6 connector "gang" plug that was... Trouble codes: P0300 (Random misfire), p0301 (Misfire), p0304 (4 Misfire).		 9
2000 Volkswagen New Beetle 1.8L Excessive Emissions, Poor Idle Quality, Hesitation
Well, this is another one that's not yet fixed, and will be ongoing but it's time to close it for the time being. I received more than one suggestion to try a capacitive discharge by touching the battery terminals together, which is actually one of the first ...		 6
2001 Volkswagen Jetta 1.8L temp gauge, fuel gauge, abs light
Well it turns out that we had multiple problems going on with this car here. The overheating issue was resolved with a water pump. It overheated in the shop after running for three or more hours, boiling the cooling in the engine. The fuel gauge proble was ver...		 11
2004 Volkswagen New Beetle 1.8L floor shifter
i replaced the top of the shifter & adjusted the trans shift cabel the gears all line up now. thanks for the help .		 4
1998 Volvo S70 2.4L compressor
Thanks to all of you who took the time to give advise. The problem turned out to be an intermitantly failing clutch relay.Even though we found the relay not getting grounded from the ecu it must have seen the command for ac function and didnt see it work so it...		 8
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