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Prev Professional Automotive Repair Technical Discussions for October 17, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2003 Audi A4 Quattro 3.0L Unknown VIN: WAULT68E83
Car came in with leaking steering gear, after installing the steering gear & align the car the adaptive light comes on the dash & beep, try to clear it did not help, am I missing something here,I have A Vag Scan Tool, & there's no steering angle adaptation or ...
1991 Cadillac DeVille 4.9L Excessive Emissions VIN: 1G6CD53B2M
Car has only 53K miles very clean well maintain. The CO is at 0.00% running lean causing high NOX. Fuel filter is new. no leaks from pressure regulator or any air / vacuum leaks. EGR works per specs and no restriction at passages. Cat Converter is not faulty. ...
1988 Chevrolet Caprice 4.3L Ecm VIN: 1G1BL51Z3J
4.3l engine apparently is a rare bird in these things. I've got a burn computer - dead short to the case and ground blowing the inline fuel fuse. Can anyone confirm for me if a ECM out of a 5.0l or 5.7l vehicle will work by switching the chips in the ecm? I ...
1989 Chevrolet K1500 Cheyenne 4.3L mode door VIN: 1GCDK14Z5K
This pickup came in with customer saying when he switches from vent to defrost it takes along time to switch. it has a electric system with mode door actuator. Inspected and found control head sending what appeared to be good signal. He previously had the cont...
1995 Chevrolet C3500 Cheyenne 6.5L No Start, Cuts out, Stall, MIL Lamp on VIN: 1GBKC34F4S
Customer brought me this diesel truck, says every now and then will shut off on him, usually starts back up. Sometimes it will run poorly and have no power, other times wont start at all. Did have the 2 codes in it. I havent verified his concern but he says it... Trouble codes: 36 (Injection Pulse width error long responce), 35 (injection pulse width error short responce)
2001 Chevrolet Blazer LS 4.3L Lighting VIN: 1GNDT13W81
We got an odd one here folks. The headlights on this Blazer only work in reverse. No DLR. The park lights work and the warning dinger work if we leave the H.L. switch on. ~Cheers~
2002 Chevrolet Venture LS 3.4L wont start VIN: 1GNDX03E82
I got this chev venture that wont start I have a few scan tool reading that don't make sense to me maf reading with key on is 2.53 and don't move when cranking I have a 24 x crank sensor that reads 293 with the key on and when you crank don't make any differen...
2004 Chevrolet Silverado 1500 LS 5.3L MIL Lamp on VIN: 2GCEK13T74
This truck came to me October 7th of this year with a check engine light on and customer complained that he couldn't refuel the truck without the pump handle kicking off immediately. He said it took him over 10 minutes to pump 4 gallons of gas in the tank. I s... Trouble codes: P0455 (Evap leak large)
2010 Chevrolet Aveo LT 1.6L Hesitation, Stall VIN: 3G1TC6DE6A
This aveo will lose power untill it shuts off.You can be driving right along and it seams like it is runing out of fuel. If you shut car off it will work ok for a half a day or so then will do it again. No codes and all scans are normal.It would not act up tod...
2005 Chrysler PT Cruiser GT 2.4L No Start, Cuts out VIN: 3C3AY75S35
Car came in no start, died on road. . Fuse 13 blown. This fuse powers fuel pump before ASD and one line to PCM. After ASD, it powers injectors, PCM, coil and purge solenoid . Also has 2 lines into PCM that powers 02 heaters. Replaced fuse and car started but o... Trouble codes: P0032, P0038
2005 Chrysler 300 (Car) C 5.7L dead battery VIN: 2C3JK63H15
draw at battery, took test lite from post to cable test lite comes on started pulling fuses test lite never goes out not sure. only thing that is not working is rear deck lid wont open from button on lower dash
2005 Dodge Sprinter 3500 2.7L Starts then stalls VIN: WD0PD54435
Aloha to all technicians especially the Mercedes Sprinter techs. I have a 2005 Sprinter 3500 that I first became acquainted with from a road call requesting a jump, after the jump start I plugged in my scanner to check voltage at the DLC - saw voltage dropping... Trouble codes: P2133 (001- Glow Plug1 Circuit Short To Voltage), P2134 (001- Glow Plug2 Circuit Short To Voltage), P1482 (001- Glow Plug Module Excessive Current)
2001 Ford Windstar LX 3.8L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 2FMZA50471
This van acts like it has an air leak into cyl #1 but I tried spraying propane and ether around it and I can't get any response, so now I'm not sure. After driving, the MIL light came on and started flashing, the freeze frame for P0301 shows: bank 1 LTFT 18.72... Trouble codes: P0171 (System too lean bank 1), P0174 (System too lean bank 2), P0301 (Cylinder 1 misfire dedected)
2009 Ford Escape XLT 3.0L No Start, Cuts out, Stall VIN: 1FAFP15369
This escape came in with no start/ start and stall condition. Checked and was losing fuel pressure. Checked power at the pump and would lose power. Thought that the problem would be with the fuel pump driver (like the f150) so I jumped or bypassed the driver a... Trouble codes: P0620 (Generator control circuit)
2010 Ford Escape XLT 2.5L MIL Lamp on VIN: 1FMCU9D75A
This car has a hard code p0457 that cannot be cleared, have done a reflash, hard reset and replaced the pcm, after the pcm was replaced it took a week and the code came back. Clear the code and it is still there with just key on. This should be a two trip code... Trouble codes: P0457 (Evap small leak check fuel cap)
2010 Ford F-250 Super Duty Harley-Davidson Edition 6.4L Power steering, brakes. VIN: 1FTSW2BR9A
Ok you Ford techs, needing some help out here, We have a 2010 F250 super duty with the 6.4 dis. This vehicle was brought to us with a shredded serpentine belt. we replaced the belt, filled it with fluid and found a leak on the pump seal. Tore it apart and foun...
2009 GMC Sierra 1500 SLE 5.3L Power door locks VIN: 2GTEK13339
Helping out a tech in the shop. Found both rear power door locks lock/unlock functions not functioning with either the switch or the key fob. Front door locks operational. Checked in the driver information center programming and was unable to change any settin...
1991 Honda Civic DX 1.5L front end noise VIN: 2HGED6350M
I want to identify the source of noise from the front end that is directly proportional to road speed and to decide whether the car is worth repairing. Noise starts as a rumble about 20 MPH and becomes a very pronounced whine above 50 MPH. I suspect the noise ...
2002 Isuzu Rodeo S 2.2L Engine Overheating VIN: 4S2CK58D92
I replace the head gasket on this vehicle and the engine was burning oil. Removed the head and sent it back to the head shop where they replaced the valve guide seals. Reinstalled the head and no oil leaks or oil burning. Now the engine overheats at highway sp...
2004 Isuzu Rodeo S 3.2L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: 4S2CK58W44
Usually on a cold warm up, usually 3-5 minutes into the warm up the problem happens. Sometimes but rarely, it will act up within seconds of starting the engine and it will show lean on the oxygen sensors and the fuel trims will increase to +25 range. After abo... Trouble codes: P0116 (Ect out of range), P0101 (Maf/vaf range performance)
1988 Jaguar Vanden Plas 3.6L Brake/ ride level VIN: SAJKV1648J
Bosses car. I get a circuit 2 warning light. this leads to drivers side (left) fuse block, fuse #6 is always blown. Calls for 3 amp, was a ten there when I first looked, replaced with a 15 that lasted a week. Before I get a bunch of replies about putting a big...
2000 Jeep Grand Cherokee Laredo 4.0L idle VIN: 1J4GW48S2Y
changed pcm because alternator was overcharging. Now seems to missfires sometimes at idle. Also stalls at time and restarts. When scoping CKP, signal is irregular. Have changed the ckp, cheched wiring and checked fly wheel. Ckp seems always erratic. Vacuum is ...
2000 Lexus ES300 3.0L Front camshaft seal VIN: JT8BF28G1Y
Customer delivered (on a wrecker) vehicle with a large oil leak from engine. Put dye in engine and started it to find it leaking from timing cover area. Disassembled enough to find front cam seal leaking from cam/seal surface. Replace oil seals on both cams & ...
2002 Lexus ES300 3.0L door locks VIN: JTHBF30G72
Driver door lock actuator stuck in lock position. Other 3 doors work when commanded. Driver door cannot be opened from inside or outside release. Looks like seats & interior door panel have to be removed. There is little room to work in. Anyone know of a trick...
1999 Mercury Cougar 2.5L Starter VIN: 1ZWFT61L9X
New vehicle and customer for me. Customer states that the car has been sitting a long while and had no start (no crank) situation. Had it towed to another shop for diagnosis. They determined that the ECM was bad and installed a recycle yard ECM, numbers matche...
2001 Mitsubishi Eclipse Spyder GT 3.0L Emission System VIN: 4A3AE55H71
We checked source vacuum, Source vacuum 15in.Hg. Checked for Vacuum leaks in system. none present. We did a vacuum Control Valve Check, there was 6.5 in.hg of vacuum. We replaced the vacuum switching valve. I would expect the valve to hold vacuum when you plug...
2003 Mitsubishi Montero Sport LS 3.0L Misfire, MIL Lamp on VIN: JA4LS21H93
Hey guys, I hope some mitsubishi techs have seen this & could give me some advice. This truck came in with a complaint of mil lamp on & running bad. Scanned for codes came up with p0300. Started it up & ran fine. Took it on a couple of miles & still runs perfe... Trouble codes: P0300
2005 Pontiac Grand Prix GTP 3.8L Misfire, MIL Lamp on VIN: 2G2WR52445
This one is killing me. First are the known issues. The exhaust crossover is cracked, the boost control solenoid is bad. When started cold it runs fine. About a minute after entering closed loop cyls 1 and 3 begin to misfire. Engine is shaking and CKP relearn ... Trouble codes: P0300, P0243
2011 Volkswagen Golf TDI 2.0L No Start, MIL Lamp on, Glow Plug Lamp VIN: WVWNM7AJXB
This one is really giving me a hard time and I'm not sure what my next step should be. Any ideas or avenues would be greatly appreciated. Trouble codes: P0087 (Fuel Rail/System pressure too low Upper limit reached), 34560 (Fuel Rail/System pressure too low Upper limit reached)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1988 BMW M5 3.5L Valves VIN: WBSDC9302J
I was able to get the valves adjusted. I received several replies that we not for this style engine. This engine took round shims in buckets, to get the clearance,there must be some engines that are adjusted more normally by turning an adjuster. I did get the ...
1993 Buick Riviera Luxury 3.8L instrument cluster/hvac VIN: 1G4EZ13L0P
After extensive tests, we replaced the pcm to no avail. Back to the drawing board led us to fatal errors in the bcm, so we chose to send the bcm off for remanufacture. We will know the definate fix within a few weeks.
1999 Chevrolet Silverado 1500 5.3L Poor Idle Quality VIN: 2GCEC19T2X
Thanks to all. Even with no codes bad 02 sensor. Readings out and not noticed. Honestly wasn't looking there. Have never had one not throw codes.
2003 Chevrolet Impala 3.4L speedo VIN: 2G1WF52E23
I traced the VSS wiring harness and found that it had rubbed on the RF corner of the oil pan and was shorting to ground. Repaired the wire and speedo and shifting are ok. Here are some of the other suggestions - Clean grounds and battery cables. Check alt for ...
2003 Chevrolet Trailblazer North Face 4.2L Left Blend door VIN: 1GNET16S83
Well everyone i was misinformed a little one this one. Both the actuators that were installed were GM actuators. After doing some research on GM parts web site ive discovered that the dealer sold us the the wrong actuator not once but twice. They sold us a mod...
2009 Chevrolet Silverado 1500 LT 5.3L Surge VIN: 3GCEC23069
The customer picked up truck so we did not get to try your ideas. thanks for all the input.the truck came back today and we will get back with any new info.
1993 Chrysler New Yorker Salon 3.3L Day time running lights park lights VIN: 1C3XC66R0P
Thanks for the suggestions. This is not fixed as yet. Waiting for customer to make time for us to dig into this further
2004 Chrysler Pacifica 3.5L Fuel Gauge VIN: 2C8GF68434
Thanks for your input on this one guys. You all have added an extra piece to the puzzle. Now I was not able to use a DBRIII for this repair but what I had done was measured the resistance of each tank before replacing the modules. The passengers tank was .462 ...
2008 Chrysler Town & Country (Van) LX 3.3L No Start VIN: 2A8HR44H68
Those that said there are problems with the ignition node were right, and they are on some intergalactic back order, but guys at my local dealer hooked me up and found one in 3 days. Soon as I put it in and turned key my dash, radio, windows, ect, all powered ... Trouble codes: B2102.
2001 Dodge Ram 1500 Van 5.2L No Start VIN: 1B7HC16Y61
All of your replies were greatly appreciated, this one is fixed. Most of you were in the ballpark but Timothy, you hit the nail square on the head. I have to apologize for the amount of time this post was open, we generally don't work on Domestics but this tru...
2000 Ford F-150 Lariat 4.6L Misfire VIN: 1FTRX17WXY
ended up letting it roll out with the misfire. checked all that i could. compression was good, dropped exhuast to check cats, checked timing, checked coils, checked injectors, checked intake for leaks. there was no check engine light and all checked out fine.
2006 Ford F-150 XLT 5.4L all gauges/power windows VIN: 1FTPW12546
Update,auction fixed the cluster,it had a burnt resistor and a shorted voltage regulator,repaired now and everything is working. Many Thanks to all that offered their time/experience and help! Phil
2009 Ford F-250 Super Duty XL 5.4L Mechanical VIN: 1FTSX20579
Many replies were not for the type of knock described. It was not a light tap/knock like a spark plug or exhaust manifold would make. It sounded just like a rod hammering, except it was erratic and would go away warm, which a rod would not do. Cam alignment o...
1995 GMC C1500 Sierra SL 6.5L No Start, Cuts out, Stall VIN: 1GTEC14P8S
Thanks everyone. Turned out to be a faulty FSD module as Vincent and Patrick suspected. I was not able to capture FSD input and output control signals upon failure, but after eliminating 99% of the other possibilties, I took the plunge on the module. Vehicle w... Trouble codes: DTC, 35 (history code after clearing codes has not reset after multiple stall), DTC, 33 (MAP high. Has reset once since initial code clearing), DTC, 32 (EGR System problem. Code re-appeared once since clearing), DTC, 65 (Accellerator pedalposition. Historical code. Has not re-occured).
2001 GMC Savana 2500 5.0L Hesitation, Misfire, MIL Lamp on VIN: 1GTFG25M71
fuel pump was droping 9 to 10 psi under load was causeing po300 random misfire change fuel pump and filter was able to crank relearn good road test runs great we doubted the fuel pump because the presure was so close change. thanks guys for all your help...
2002 Honda Accord LX 2.3L Misfire VIN: 1HGCG56472
Turned out enough dirt and crud made it into the fuel rail and settled at number four injector, removed the rail and cleaned it out now it runs great. Trouble codes: P0300, P0303, P0304.
2008 Infiniti G37 Sport 3.7L pedal stick VIN: JNKCV64E48
Thank you all for your valuable help like most guys said I think there was air comming in the system we replaced the throw out bearing assembly for the second time both times from dealer that seems to fix it now the clutch pedal catch all the way up with about...
2004 Jaguar X-Type 3.0L Misfire, MIL Lamp on VIN: SAJEA51C74
The rear bank converter was partaily plugged causing slight misfires that could not be felt causing the car to go into limp in. The client declined the repair. Thanks for all the replies. Trouble codes: P1313, P0300, P0301, P0303, P0305, P1316.
2006 Jeep Commander (Truck) Limited 4.7L Right Side View Power Mirror VIN: 1J8HH58N16
2004 Saturn Ion-1 2.2L No Start VIN: 1G8AF52F84
Well what I did was go through the whole car unplugging and plugging in every connector that I could find. Blowing them out with shop air and spraying contact cleaner. At the end of the day I plugged everything in, hooked up the battery and Away she Went ! Not...
1999 Subaru Legacy Outback 2.5L Stall, Misfire, MIL Lamp on VIN: 453BG6854X
many of you said neutral safety switch. well bingo!!! that seemed to be the cure. I drove it for three days and no problem. cust. has driven for two weeks and no problems. thanks for the info on the fix. as for the iac valve it had been replace months before ... Trouble codes: P1507.
1999 Subaru Forester S 2.5L Poor Idle Quality, Hesitation, Surge, Cuts out VIN: JF1SF6554X
I Somehow didnt have the airbox fully seated near the thottle body and was not sealed.On the bottom of the airbox it has to seat properly or it sucks air causing Airflow meter read incorrectly.
2002 Volkswagen Passat GLS 1.8L No Start VIN: WVWPD63BX2
well after i looked at the wiring diagram and found the fuel pump relay location,i swapped relays.i also found a 20a fuse above that relay panel i have voltage(12) at those 2 fuses.and i have power and ground at the pump when cranking.still ...
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