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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for April 7, 2015
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Acura TL 3.2L No Start, Misfire, MIL Lamp on VIN: 19UUA5663Y
Good afternoon, this problem began serveral months ago as far as we can tell. Customer reported MIL - we verified misfires and installed a set of NGK spark plugs ( as recommended by Worldpak ). A few months later, misfires again, we installed a set of ignition... Trouble codes: P1399, P0301, P0304, P0170, P0171
2005 Audi A6 Quattro 4.2L Misfire VIN: WAUDL74F75
I change the spark plugs and all the coils and the number 2 injection and it is still coming up number 2 injection and misfire on 2 Trouble codes: P0202 (Number 2 injecter), P0302 (Number 2 misfire)
2007 Audi A4 Cabriolet 2.0L convertible top VIN: WAUAF48H27
This audi came in with the top not working. Have codes -02000 - SWITCH SETTING IMPLAUSIBLE SIGNAL -01091 - CONVERTIBLE TOP FRONT SWITCH F202 IMPLAUSIBLE SIGNAL -01986 - SENDER FOR CONVERTIBLE TOP BAR POSITION G356 The 02000 code keeps coming up right when to...
1967 Chevrolet Camaro 5.3L Poor Idle Quality, Cuts out VIN: 123377N202
Re-building the 4160 Holley that was on this car. My question pertains to the secondary metering plate. Every one of these that I have ever done (That's probably nearly 100 of 'em) have a thin metal plate (& gasket)that goes between the metering body and the t...
1997 Chevrolet Lumina 3.1L fuel tank VIN: 2G1WL52M1V
hello everyone i have a strange one, car came in with fuel tank collapse and leaking. so we replaced. came back with tank sucked in! found vent was plugged so we replaced and has been good until today only went 200 miles. vent is working can smoke it and close... Trouble codes: 440 (evap system malf)
2008 Chevrolet Silverado 1500 WT 5.3L Misfire VIN: 1GCEK19J28
this is my 1st afm mf 70 lbs compression wet or dry misses on #6 air in cylinder can be heard thru intake.possible intake valve leaking/ bad lifter ?? I just want to make the right repair the first time.It looks like I'm going to pull some heads and have em ch...
2009 Chevrolet Silverado 2500 HD LT 6.0L engine
pulled valve cover checked lift and springs a ll good engine very clean internaly slight valve clatter at idle skips mainley at idle goes away at 800 rpm but sets a 301 in about in 1 min this a 6.0 vin k engine
1993 Dodge Grand Caravan LE 3.3L Cluster VIN: 1B4GH54R7P
Hello all. Another stumper for me, (my second post in twoo weeks. lol). It arrived with concern that the instrument panel was inoperative. I confirmed this; only the 'check gauges' indicator illuminates. All guages and lights dead. A homeless couple live out o...
2005 Dodge Sprinter 2500 2.7L No Start, Cuts out, Stall VIN: WD5PD74475
Unit will stall after driving 20-30 minutes, crank but no start for about 10-20 minutes then start. This process happens repeatedly and has been happening more frequently. Had at another facility prior to us that said to replace cdi, cam sensor, repair wiring ... Trouble codes: P0305 (p1481), P0003 (c3700), P292E, U3112 (b0300), B0312 (p1354), P0414 (p0190)
1996 Ford F-250 XL 7.5L Hesitation, MIL Lamp on VIN: 1FDHF25G0T
vehicle came in customer wanted check engine light diagnosed 4 codes in pcm p0172, p0175, p0171 and p0420. upon inspection noticed that vehicles CAT had been removed so please ignore p0420. checked freeze frame data code p0172 STFT B1 -3.9 STFT B2 0 LTFT B1 -1... Trouble codes: P0172 (Rich bank 1), P0175 (Rich bank 2), P0171 (Lean bank 1), P0420 (CAT EFFICENCY NO cat)
1998 Ford F-150 XL 4.2L Rod bearing - cyl.#1 VIN: 1FTZX1723W
Customer never reported overheating, nor engine oil problems, only sound coming from underhood. Removed engine to take to engine rebuilder and he now states that the engine was overheated affecting cylinder#1 only? He is going to send pictures of temperature ...
2003 Ford F-250 Super Duty XLT 6.0L No Start VIN: 1FTNW21P83
local bank repo, having school fix so they can sell. No maintenance so we changed oil and all the filters, truck will start and other times just crank. IP pressure hovers around 300 psi when it won't start, IPR duty cycle goes to 84% still low pressure and no ...
2008 Ford Mustang 4.0L Clutch VIN: 1ZVHT80N88
Customer has a busted clutch pedal bracket. the arm off of the clutch pedal to push the clutch master cly arm in has busted the weld. Were going to replace the whole assembly , new part from the dealer but wondering if anyone has run across this and if its a b...
2006 Honda Ridgeline RTS 3.5L Fluid leak VIN: 2HJYK16446
Well we need help on this one I will try to make this short and to the point this 2006 Honda Ridgeline RTS 3.5L was towed in would not crank over well the timing belt went bad and bent valves we found a good used engine with low mileage ,put timing belt kit i...
2008 Honda Odyssey Touring 3.5L front struts VIN: 5FNRL38998
vehicle came in with clunking noise in front end on bumps which were easily reproduced on the test drive. after replacing each front strut and mount noise was still there but greatly reduced and only in the left front. can create the noise either while driving...
2002 Lexus ES300 3.0L charging VIN: JTHBF30G72
I was wondering if this lexus has a load censing alternator? The costumer came in with a complaint of ac fan speed increases and decreasing speed. A/C goes hot and cold( If the fan was slow it would blow hot if the fan was fast it would blow cold. checked a...
2001 Mercedes-Benz SLK320 3.2L No Start VIN: WDBKK65F31
2 weeks later came towed back in with no alarm going of but start error message in display and no start. remote still works for setting alarm. disconnected both battery terminals and hold them together and reconnecting, car starts for 2 sec and than died, you ... Trouble codes: P2071 (8- Start enable of das not sent check fault messages in control module ezs p19990)
2006 Mercedes-Benz C280 4Matic 3.0L Poor Idle Quality, Hesitation, Cuts out, Stall VIN: WDBRF92J86
Hello, I need help. Vehicle was towed in, barely idles (approx. 400 rpm) and won't respond to throttle input (max. rpm with foot to floor in park is 1,200). Only codes stored are the camshaft timing codes listed, manually checked camshaft timing, slightly out ... Trouble codes: P0767, P0763, P0275, P0271, P0059, P0063
2007 Nissan Armada SE 5.6L MIL Lamp on VIN: 5N1AA08C37
Truck came in overheat and misfire we found coolant in the sparkplug we did some test and found the head gasket was bad so we R/R headgasket and timing now the truck runs and drive good but the code P0335 keep comming up so we CK back timing and we CK Wire Har... Trouble codes: P0335 (Crankshaft Position Sensor Circuit)
2006 Pontiac Solstice 2.4L high idle VIN: 1G2MB33B16
Hello everyone, My Team and I thought after extensive research that our 'high idle' was due to the throttle body being dirty which it was but after disconnecting the throttle body the idle maintains itself in a 'high idle.' Even replaced the throttle body an... Trouble codes: P0122 (Throttle Position Sensor 1 circuit low voltage), P0223 (Throttle Position Sensor 2 circuit high voltage)
2007 Pontiac Grand Prix 3.8L No Start
Hello friends, 07 Grand prix will not start. No crank or nothing. I have no check engine light. No communication from pcm.Checked Everything. I have no power at ign,injector,or ign module I applied power to those fuses with still no luck cannot get power at in...
1997 Toyota Avalon XL 3.0L Misfire, MIL Lamp on VIN: 4T1BF12B0V
Dear techs, specially Toyota experts. I need help for the 97 Toyota Avalon which drove me nut. the nightmare starts with a simple tune-up ( which is insisted by customer ??? very doubtful that He may already have problems). I drove the car before starting the ...
2002 Volkswagen Passat GLX 4 Motion 2.8L Misfire, MIL Lamp on VIN: WVWTH63B52
this car came in from a car lot so I have no history on what happened. Ive noticed on cold start sometime it will run with very few misfires after maybe a minute it starts to misfire on all cylinders and lightly pop back through the manifold. It will then star... Trouble codes: P1606, P1340, P1347
2005 Volkswagen Jetta 2.5 2.5L Timing Chain VIN: 3VWSF71K15
Vehicle came in due to check engine light and running rough. Customer did drive car in. Upon initial inspection we found that the spark plugs that the customer installed were not tightened to specified torque (literally finger loose). We replaced plugs with ne...
2006 Volvo S60 2.5T 2.5L cooling fan VIN: YV1RS59246
ECM6200 code after 2nd. key cycle. "reduced engine performance" on display. No check engine light. Volvo did ECM upgrade, tried new ECM, tried new fan, alternator, starter, crank sensor. STILL "reduced engine performance code". Fan activation correct with VIDA...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Audi A8 Quattro L 4.2L Starting VIN: WAUML44E74
While continuing to search for more fuses, I heard a light clicking noise from under the right side of the cowl. I unplugged the siren and the draw is now acceptable. I never did find the fuse that supplies power to the unit. I cut open the housing and foun...
2008 BMW 328xi 3.0L MIL Lamp on VIN: WBAWC33538
I appreciate all the help. I wish I could be more specific, but what happened is I found that my scan tool could not relate some of the items that you said I should check out. I made the decision to have the customer take the vehicle to the BMW dealership. The... Trouble codes: 29E0, 29E1, 2A15, 2A1A, 29D2.
2004 Buick Rendezvous CX 3.4L No Start VIN: 3G5DA03EX4
THANK YOU!!! all of you that replied. I told my tech the crank sensor would be a good [...]. His reply was "which one?" I didn't have an answer. One of the replies pointed to the right one (I think all he said was the one on the side of the block). The reaso...
2008 Buick Enclave CXL 3.6L No Start, MIL Lamp on, no crank VIN: 5GAER23778
Well guys- go figure- it was the throttle body causing the no start! Even though there is no proof I suspect that GM disables the starter if specs on the throttle body are out of range to avoid run away acceleration. Either way its fixed! Greg and crew Trouble codes: P2176.
2001 Cadillac DeVille DHS 4.6L runability VIN: 1G6KE57Y91
Well this one is fixed! I had a ton of excellent replies which included bad grounds, ecu, fuel pressure regulator, injector signals, and downstream o2 sensor. Half of the replies were right on the money however. I started checking the wiring from b2s1 to th...
1998 Chevrolet Corvette 5.7L evaporator VIN: 1G1YY22G2W
thanks for all the help full replies iatn, i replaced the ac compressor, rechecked the evaporator checked ok, its been a week sence i replaced compressor it has not gone low so that was the whole leak.
2005 Chevrolet Silverado 1500 5.3L Unknown VIN: 1GCEK19B75
Seems this one is fixed. Thanks to all for your input. This is what was found: The transfer case had a few issues including the shift fork plastic tabs being broken ( and sitting in the bottom) and also the rear snap ring groove in the case half was worn about...
2006 Chevrolet Silverado 2500 HD LT 6.6L No Start VIN: 1GCHK23D16
Thanks to all that replied. After much testing and quite abit of learning about the ins and outs of Duramax we found the problem. As several suggested the reluctor ring on the front of the crankshaft is loose. It can be moved close to two tooth widths by stic...
2008 Chevrolet Silverado 1500 WT 5.3L Unknown VIN: 1GCEK19018
I am going to call it fixed but it left with a firm 1-2. I replaced the 1-2 accumulator, the shift solenoid and installed the upgrade to the 1-2 accumulator valve. I reprogrammed the ECM, TCM and the Instrument Cluster which was doing some weird things. It ...
2009 Chevrolet Aveo LS 1.6L Starting
I want to thank everyone for the great replies,took the vcim appart and it was full of salt and corrosion now is up to the customer to decide what he wants to do.Love my rust belt area.Thanks again.
2008 Chrysler Town & Country Touring 3.8L No Start VIN: 2A8HR54P88
Fixed the impossible once again. It did take the WiTech to complete the process but the main item that had to happen was to do a vehicle configuration. Since the TIPM, PCM, and WIN were new there was no module that belonged to the vehicle and without one the...
2002 Daewoo Nubira CDX 2.0L MIL Lamp on VIN: KLAJB82Z42
Basically this boils down to excessive exhaust gas back pressure. It has had both catalytic converters replaced with an unknown quantity. Due to the fact that I cannot find new factory cats, I am done with this car. What leads me to that is the fact that with... Trouble codes: P1404 (P1404 Exhaust Gas Recirculation Closed Valve Pintle Error .).
1990 Dodge B250 5.2L No Start VIN: 2B6HB21YXL
WOW! 36 replies. Thanks very much. It is FIXED, but before I elaborate, here is what fixed it: oxygen sensor, oil change and hard reset (cables, not scanner). She purrs. As for the high fuel pressure, I tested everything; regulator, throttle body, lines and... Trouble codes: 41 (Alternator field circuit), 51 (too lean), 15 (missing VSS signal), 45 (OD solenoid circuit fault).
1991 Ford Mustang LX 5.0L Cuts out, Stall VIN: 1FACP44E6M
I am going to call this fixed, as we have not heard back from the customer for some time now. I replaced the ignition module on the distributor, and when I took the old one off, the 3 prongs that go into the dist assembly were covered with green fuzz. I took ...
2004 Ford F-150 FX4 5.4L Hesitation VIN: 1FTPW14524
sorry about taking so long to close this request it took a while for the used car dealer to decide on what he was going to do with the truck . the fix was to replace the timing chain and to set the timing chain correctly . when the shop replaced the cam phaser...
2010 Ford Explorer Sport Trac XLT 4.0L HVAC control head VIN: 1FMEU3BE9A
It seems I am the first to have this problem. No one replied that they had the same blowing fuse. Also the customer did not jump his battery backwards. I installed a 10 amp circuit breaker in the F20 fuse position left the HVAC control assembly & Temperatur...
2011 GMC Terrain SLT 3.0L shake at idle VIN: 2CTFLXE50B
well this one is fixed and robert hit it on the head, there had to be 12qts of oil in this baby. drained oil to full level and it ran great. thanks everyone for all the help. you know how it goes dont over look the basics!!!
1997 Isuzu Rodeo LS 3.2L compressor VIN: 4S2CM58V4V
The main issue was loss of voltage that was affecting any system that was calling for voltage to run efficiently ie A/C compressor, transmission, etc. The vehicle would also race up to 3000 RPM at times. The main problem was the PCM had an internal problem and...
2009 Jeep Wrangler Unlimited Sahara 3.8L Safety VIN: 1J4GA59139
After several days truck is finally fixed...what needed was a dealer flash of insterment cluster...Found nothing coming out of cluster on horn circuit , that is why the fuse box relay never did receive a signal to close and supply power to the horn fuse...Had ...
1995 Mercedes-Benz S320 SWB 3.2L blower VIN: WDBGA33E4S
Thanks to everyone who took time to help me with this problem, it turned out to be a strange one.I tried a known good blower and regulator with no success, so I swapped the parts out of my problem car into a parts car we had on the lot and both the controller ...
2002 Mercedes-Benz S500 5.0L abs, esp,bas VIN: WDBNG75J32
The alignment fixed the car setting codes every time id drive. the previous codes did not return, although I think they might. Customer took car and we have not heard back from them. If the does do return and we go further I will update this fix. Keep in m...
2010 Mercedes-Benz Sprinter 2500 3.0L All VIN: WD3PE7CC0A
Thank you guys for responding as to the battery location. This was my first Sprinter and I did not have a clue. We charged up the battery under the drivers floor board and all came back to life. I just got my J2534 device. Rick from Houston says do not let ...
2006 Pontiac Solstice 2.4L Air Bag Light VIN: 1G2MB33B36
The consensus was that the bus was down. I agree but the dealership did not want to spend the money to diagnose and repair this car. They sent it to the auction, so someone will see this car again. Thanks for the help.
2012 Subaru Forester X 2.5L No Start
Thanks for everyones suggestions...the cam sensor shimming did solve this vehicles problem customer reported back and seems to be ok no more problems...thank you
2009 Volkswagen Jetta TDI 2.0L starter VIN: 3VWTL81KX9
It's fixed and here is what I learned. The starter relay turned out to be in the 5th position, with the number 53 marked on it. This vehicle does not use a typical clutch switch, it has a 2 circuit "clutch position sensor" mounted to the outside of the clutch ...
2010 Volkswagen Tiguan SE 2.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: WVGAV9AX8A
well that was it, the tensioner went bad and the chain slipped. the screen was toar out of the cam bridge, accoding to the dealer that piece is updated too along with the tensionr. When i pulled the upper cover off you could see the timing chain slipping over ... Trouble codes: P0341 (cam shaft position sensor implausable G40), P0011 (cam shaft A retarded set point not reached), P0300, P0506 (Idle control sys lower than expected.).
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