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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for December 19, 2011
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for All Makes and Models
Help Request Answers
2003 Acura MDX Touring 3.5L Auto HVAC VIN: 2HNYD18953
What's that saying? ... "If the wife ain't happy, nobody's happy." Well, I need help fixing my wife's car. This 03 MDX with navigation and auto temp control is acting a little funny. About 75% of the time, you cannot control the fan speed or vent mode manually...
2001 Audi A4 1.8L Unknown VIN: WAUDC68D91
Hi need some assistace from the audi techs out there. This a4 came in with 2 codes one for the variable valve timing that was fixed by replacing the tesioner. The other was a transmission code 17105 or p0721 this is for the G195 output speed sensor range perfo...
1998 BMW 740i 4.4L No Start VIN: WBAGF832XW
customer drove car home and parked in driveway. next morning would not start.sprayed starting fluid into intake. no change. smoke tested the intake and replaced split mass air flow boot. have checked with autologic scan tool and no codes present. thanks for an...
2001 BMW 330Ci 3.0L MIL Lamp on VIN: WBABS53471
Hey BMW Guru's This one came in as a fist time with a bad window regulator and MIL light complaint. Scanned it, found random & specific cylinder miss fires codes. We looked over the vehicle found that the spark plugs were old & worn, Valve cover gasket old & l... Trouble codes: 0XF5, 0XE4, 0XE3
1997 Chevrolet Express 2500 4.3L No Start, Stall VIN: 1GCFG25W9V
This is a good one! vehicle was driven in, but the customer states that it would dye when driving, when i got it, it would not start, except once so i drove it in the shop, it has spark, no codes, replace the fuel pump module, cut relay, fuel filter, cap & rot...
1998 Chevrolet Tracker 1.6L Misfire VIN: 2CNBJ1867W
Thank you in advance for any input on my problem child here. This 98 Tracker has a dead miss on #2 and idling a little high (1200). Started with basics, checked for spark, good. The spark is traveling at least an inch from cap. Checked fuel injector pulse, g...
1999 Chevrolet K1500 LS 5.7L oil pan VIN: 1GNFK16R6X
Replaced engine with reman unit for a rod knock. problem we're having is the oil pan will not seal where it crosses over on the timing cover. i've replaced the timing cover twice, tried a new oil pan, and multiple gaskets, and still leaks. I'm positive its not...
2003 Chevrolet Suburban 1500 5.3L cat & evap monitors
car came in with cel on, only code was P0300B - random cylinder misfire, no apparent misfire present, cleared code, performed routine service, l/o/f, attempted drive cycle to ready monitors and have now driven about 200 miles and 2 monitors still not ready (Ca...
2003 Chevrolet Silverado 1500 5.3L Misfire, MIL Lamp on VIN: 2GCEK19T33
this vech is an auction truck we replaced the fly wheel cracked. also replaced fuel filter and a kinked fuel line.both o2 sensors before the cats. fuel psi reg leaking. plugs wires and a coil pack. and fixed the gio3 ground for the pcm. when the computer goes ... Trouble codes: P0300, P0301
2004 Chevrolet Trailblazer LS 4.2L abs system and srs system VIN: 1GNDS13S34
Hello everyone, we have a tough one here. This 2004 chevy trailblazer is back again, the abs and airbag lights will come on and go off together intermittently. When i plug in our scanners(tech 2 and snap on solus)there are no codes stored and we can not turn t...
2005 Chevrolet Corvette 6.0L Blower motor VIN: 1G1YY34U25
The blower motor operates normally until you put it on high speed . Once you reach high speed the speed is not controllable with the control head( The blower runs at full speed no matter what speed you comand with the control head).With the Tech 2 I can comand...
2010 Chevrolet Silverado 2500 HD WT 6.0L airbag VIN: 1GC4KVBG2A
i have a problem with airbag batt fuse 45 in engine comp panel blowing after 2-3 days. Front seats have been pulled and wiring checked no prob found. This is a work truck and it does not have the airbag modules mounted under front seats. If anyone has any info...
2000 Dodge Grand Caravan SE 3.3L asd relay VIN: 2B4GP44G0Y
hello vehicle came in on hook,,,no fuel pressure or injector pulse,,,found #3(engine) fuse blown,,,replaced fuse started right up,,owner sed he was trying to pass someone and thats when it died...so i punched on test drive and sure enough it died,,blown fuse,,...
2003 Dodge Stratus R/T 3.0L incomplete monitors VIN: 4B3AG52H73
This vehicle came in for a o2 sensor heater fault. It had 2 incomplete monitors, the CAT and EGR. We replaced a defective o2 sensor and customer drove vehicle over 1500 miles attempting to set the incomplete CAT and EGR monitors. Customer went to dealer and th...
2005 Dodge Neon SXT 2.0L car VIN: 1B3ES56CX5
thanks for the help this customer came in with the compliant that the car vibrates. both upper and lower motor mounts are bad replace them its still there the trans looks ok so did not replace , the car and autolite spark plugs so replace them with oe spark pl...
2002 Ford Explorer Eddie Bauer 4.0L blower air flow VIN: 1FMDU74E32
customer complaint no defroster. i found that the blower is hardly blowing with it on heat or defrost. but blows harder on cold and not on hot. pulled blower motor and found no problems.
2004 Ford F-350 Super Duty Harley-Davidson Edition 6.0L MIL Lamp on VIN: 1FTSW31P14
I have codes for all 8 glow plug circuits and the glow plugs are good and the module is new. Has anybody else run across this issue? Current draw on each glow plug starts at about 22 amps when power is applied to each plug and drops thereafter. Can a PCM cause... Trouble codes: P0671 (cyl 1 glow plug circuit), P0672 (cyl 2 glow plug circuit), P0673 (cyl 3 Glow plug circuit), P0674, P0675 (cyl 5 glow plug circuit), P0676 (cyl 6 Glow plug circuit)
2005 Ford F-150 FX4 5.4L Surge, Stall VIN: 1FTPW14575
Hi FOrd guys, this F150 has buk nois from air filter housing, same like low fuel presuure, repalced Fuel Pump asy ( origenal) , FRP sensor , fuel filter and MAF sensor, cleand and testeda Fuel injectors for flow test and leak test all is pass. now after 3 days...
2005 Ford F-150 King Ranch 5.4L Poor Idle Quality, MIL Lamp on, Knocking VIN: 1FTPW12535
Customer states that this truck runs rough and makes a knocking noise intermittently. This vehicle has to be completely warmed up before the problem will occur. I found I can duplicate the problem in the shop if I warm it up, put the transmission in gear and b... Trouble codes: P0011 (p0022-), P0022
2006 Ford Taurus SEL 3.0L Alarm VIN: 1FAFP56U66
Car came in for alarm randomly going off at night. Scanned GEM with IDS and found all alarm events for right rear door ajar switch. Replaced switch and sent customer on his way. Slam dunk I think. Came back the next day with same problem. This time I get a fau...
2007 Ford Focus SES 2.0L Low brake pedal VIN: 1FAFP31N97
This car is new to our shop. The customer had it into the dealer to replace the alternator. We the job was finished the dealer told her that her brake pedal was low and the probable cause was the master cylinder. The customer brought the car to us and we inspe...
2008 Ford F-150 Lariat 5.4L Fuse 14 VIN: 1FTPW14V78
I have an 08 f150 lariat that will intermittently blow the #14 fuse in the interior fuse panel. This occurred after the timing cover was removed and replaced. Not sure if its related but thought I would mention it. This fuse supplies power to the abs module, a...
1999 GMC Yukon Denali 5.7L abs activation @a non abs stop. VIN: 1GKEK13R5X
This truck actvates the abs @non abs stops ,but not every time.modis shows no sensor drop out @ any sensor.activation generally is @10 kms down to the default speed of 5 kms.originally i found the wiring of both wheel bearings tobe faulty,and replaced the sens...
2003 GMC Yukon Denali 6.0L radio VIN: 1GKEK63U93
Can somebody help me fix the radio on this 03 Yukon Denali? From what I can tell, it's a digital radio with cassette and CD. The lights turn on, the clock turns on when you push the display button, and it tries to eject a disc when you push the eject button. I...
2005 GMC Sierra 2500 HD SLE 6.6L heater VIN: 1GTHK29285
Customer originally brought in vehicle because coolant was bypassing the surge tank cap and draining onto the ground. No other issues. Installed new cap, replaced thermostats, and performed a coolant flush. Couple weeks later, customer reports that he has no h...
2005 Hyundai Sonata GLS 2.7L Temperature VIN: KMHWF35H65
Customer came in with complaint of heat not blowing hot enough. By customers complaints in office conversation we came to the conclusion of replacing the thermostat and flushing the heater core. Put thermometer in center vent with heat setting as placed on 70F...
1992 Isuzu Rodeo LS 3.1L Hesitation, Poor Fuel Economy VIN: 4S2CY58ZXN
This truck came in after sitting for a year. Came in dead, no crank. Found bad battery and alternator. replaced both and starts and runs pig rich. Checked vacuum at idle and it was at 15". Tested back pressure of exhaust and that was at 0.5psi. figured let it ...
1987 Jaguar XJS C 5.3L No Start VIN: SAJNV5848H
Car has been sitting for ten years, replaced cap rotor plugs, went through entire fuel system, car now runs but timing has to be at 40 degrees advanced before it will start, then when it does start it runs great but idles at two thousand rpms and wont come dow...
1992 Jaguar XJS 5.3L Power Brake Assist VIN: SAJNW4844N
Hi everyone, and thanks in advance for your help. We've got a Jaguar here that has us pulling our hair out... The car came to us after having sat with at least one of the windows down a little for a couple of years. The idea was for us to get it back on the r...
2004 Jaguar X-Type 3.0L hvac box VIN: SAJEA51C04
Jag guys- I have a 2004 X type. Air door is broken. There are 3 doors in air box. This is a ribbed door Part # [...] that blocks or allows def flow. Jag says door not available, and air box not available. What do I do now? I don;t want used but may have too...
2000 Jeep Grand Cherokee Laredo 4.0L Ecm/Bcm VIN: 1J4G248S9Y
Dear chrysler techs,this jeep was towed in after the customer tried to jump start the vehicle and had reversed the cables.there was a glob of lead on top of the battery+half of the positive cable end was melted away.the customer did admit that he hooked the ca...
2000 Jeep Cherokee SE 4.0L 1-2 Shift VIN: 1J4FN28S8Y
This jeep came in not upshifiting into 2nd when cold. After a short drive it will shift into 3rd, then when warm it will upshift into 2nd and work properly all day, this is a mail carrier. There are no codes stored at this time. Thanks.
2008 Jeep Grand Cherokee SRT8 6.1L Unknown VIN: 1J8HR78358
Sorry for the long post in advance. This vehicle was bought at an auction and was brought to me with what sounds like a rear diff noise. I have not been able to pinpoint the sound yet as it will only do it under load not on the hoist. the sound starts at aroun...
2007 Mazda CX-9 Sport 3.5L Mech. & Elec VIN: JM3TB28C27
Hello everyone, After initial diagnostics on this vehicle we thought the reason the rear air was going through the top vent was of course due to the fact that the actuator motor was not working correctly (similar to a window motor); however, after replacing t...
1991 Mercedes-Benz 300E 2.6 2.6L Excessive Emissions, No Start, Poor Idle Quality, Stall VIN: WDBEA26D4M
This car came to us as a no start. I put a overcharge relay in it, had the single fuse not the updated 2 fuse relay, and it tried to start. Had to replace worn/fouled plugs and it started. It came back the next day flooded so cleaned plugs and got it running a...
2005 Mini Cooper 1.6L pump VIN: WMWRF33475
This lady brought her daughters car in because the car was hard to steer. I couldn't find a regular power steering pump. It has an electric pump. Anyway the pumps not doing anything. It has voltage and ground at the big wires. The smaller ones probably come fr...
2000 Nissan Maxima GLE 3.0L No Start VIN: JN1CA31D4Y
can somebody tell me, after replacing the old computer with a known good one, my security light is on steady as im cranking, with no start of course, i knew there would have to be some reprograming done, my question is do i need to reprogram the key to match u...
2003 Nissan Altima SE 3.5L Audio Fuse 31 VIN: 1N4BL11E33
Hello all; this Altima comes in with a dead battery. The customer replaced the battery himself. Battery still goes dead. So I jumped it and it started just fine. Alternator is charging at 14.1 volts. I removed the battery to charge and test it: battery tests g...
1993 Plymouth Grand Voyager SE 3.3L 2-4 shift solenoid VIN: 1P4GK44R4P
Vehicle came in originally with a transmission code 42 (2-4 shift solenoid circuit error) and the transmission would go into intermintent limp in. I've performed all tests listed for a code 42 as per alldata. I've checked the eatx relay and replaced it with a...
1996 Plymouth Neon Sport 2.0L No Start VIN: 3P3ES67C8T
Car came in for no start. tested fuel pressure and it was good, checked for fire and i olny get fire out of the number 2 and 3 clyinders. clyinder number 1 and 4 does not fire. i tested wires going to the coil pack and found that olny one coil driver is workin...
2000 Saturn SL2 1.9L Surge, Cuts out, Misfire, MIL Lamp on VIN: 1G8ZK5274Y
Vehicle came in with cel and misfire after vehicle warms up. Found several computer codes p0130 0134 0300 0326 0340 0341 0731 1133 1584 1599 1624. Cleared codes and drove vehicle first code to come back and only code was p0130. Unplugged o2 sensor 1 vehicle ru... Trouble codes: P0130 (O2 sensor), P0300 (Misfire)
2006 Subaru Outback 2.5i 2.5L MIL Lamp on
I have repeated this test a dozen times and it comes down to a bad ECM. Does anyone know if a used ECM came be used? Trouble codes: P0448
2001 Toyota Avalon XL 3.0L check engine light VIN: 4T1BF28B41
This car is haunting my dreams. Passes a smoke test only get smoke out of canister vent (I assume I am smoking correctly). After replacing the canister and solenoid the light stayed off for 6 weeks then its back only has been driven about 1500 miles. I dont kn...
2004 Toyota Sienna LE 3.3L lower control arms VIN: 5TDZA23C14
Hi all I have this 04 Sienna the lower control arm bushings are shot all data says 15.8 hrs labor to replace has anybody done them before ? it says remove engine this cant be right or can it, can the engine be hung by a sling and the lower engine support be l...
1999 Volkswagen Beetle GLS 2.0L Water Pump VIN: 3VWCA21C2X
Is there something that we are overlooking? The coolant is clean, the belt seems to be tensioned properly, We have replaced many of these pumps (we use a lot of Graf) since we are an import shop but this one has got us baffled.
2001 Volkswagen EuroVan MV 2.8L Shift display VIN: WV3AB47091
The shift display on this motor home goes dark and is unreadable. If you turn the key off and back on and resets and then is ok for various lengths of time. The factory code is 00293 which is for the multi-function switch. It was replaced in 2006 and was ok fo...
2001 Volkswagen Golf GTI GLS 1.8L Window switch VIN: WVWDC21J01
Car came in with bad window regulator (cable all tangled and frayed). Replaced the regulator and put everything back together and can't get the window switch to work. It will control the door locks (same connector) but wont control either window. I can get the...
2006 Volkswagen Jetta TDI 1.9L Excessive Emissions, MIL Lamp on, low power, smokes VIN: 3VWST71K66
ok vw tdi gurus it's offical my butt has been kicked by my first encounter with a tdi! Car was Brought to us for a timing belt and water pump as maintence, a clutch and egr cooler. Was at vw dealer first. Customer requested these things. tb was due and clutch ... Trouble codes: P0131

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Audi A6 Quattro 3.0L Reverse VIN: WAULT64B93
At this time the vehical is not fixed, I beleive the problem is in the trans. The car is at the reman center were we got the trans from, it has been there over a week and they also have no idea what is wrong. I would like to thank Brian [...] who has been...
2002 BMW X5 3.0i 3.0L Height Control VIN: 5UXFA53592
This vehicke is not fixed. All I want to do is update this post, but I have no option to do this. Replaced level sensors and reset ride height. All was good for about a week. Customer picked up the vehicle and called me while he was driving it home saying the ...
2001 Buick LeSabre Custom 3.8L Misfire VIN: 1G4HP54K51
thanks for all the replies. it never got repaired because customer wanted vehicle back. the fuel pressure regulator was inspected, fuel pump pressure and waveform ok. fuel trim numbers where inline. it was a very intermittent concern. customer refused to leave...
1999 Chevrolet Tracker 2.0L Engine vibration VIN: 2CNBJ18C6X
Wrong vehicle/customer, thats why I had no repair history. The car I was thinking of was a Geo. This one is a dirty throttle plate slow IAC. Thanks to all those who offered help- I need all the help I can get some times
2002 Chevrolet Suburban 1500 LS 5.3L ABS module VIN: 3GNFK16Z32
Well this is finally fixed..she returned on Thursday..I went over everything I did as well as the other shop..all looked good, no bad hubs, sensors showed excellent readings..decided to recheck the ABS module and its ground..it looked good also, no bent pins e...
2005 Chevrolet Astro 4.3L Sdm VIN: 1GCDM19X15
thank you for all the help. I did get another used SDM and got communication back with all codes. I am setting up my pass through devise so I can try and reprogram it. Some say yes some say no. With the coast of a new on the company wanted to go this route fir...
2006 Chevrolet Trailblazer LT 4.2L No Start VIN: 1GNDT13S46
thanks to everyones input after tracing all circuits with no sign of a problem and still having battery + on coils and weak spark i gave the coils + from battery and that worked. replaced ign switch and veh started. it was not a voltage problem to the coils i...
1999 Dodge Ram 2500 5.9L oil pan VIN: 3B7KF2362X
Well, thanks for all the advice. I'm pulling the transmission now and not wasting any time trying to cheat the job. Almost everyone agrees in order to remove and replace the oil pan on this truck the transmission must come out first. Thanks Again
2002 Ford F-150 Lightning 5.4L Poor Idle Quality, Surge, Cuts out, Stall, Misfire VIN: 2FTZF07382
Moral of my story...double check the "facts". Customer told me the other shop that installed the heads couldn't find the problem. Turns out neither cam was timed correctly, one side advanced, one side retarded. Also the customer told us the heads installed (an... Trouble codes: P1000 (OBD II checks incomplete), P0605 (Internal control module ROM error).
2005 Ford Mustang GT 4.6L No Start, Misfire VIN: 1ZVFT82H85
Found catalytic converters were not only broken, but were also plugging the exhaust pipes enough to keep the map/maf readings high. After a new set of cats, it is running like new. Thanks for the help. Trouble codes: P2196, P2198.
1996 Geo Tracker 1.6L Hesitation VIN: 2CNBE1862T
Thanks for all the replies, final fix ended up being replacing the injecotors, didnt see much debris in screens, but after repl. ran like new..
2007 Jeep Wrangler X 3.8L MIL Lamp on VIN: 1J4FA24177
thanks for all the help got busy forgot to close this request . i took the battery cables off to reset counters all is good for now .thanks all !! Trouble codes: P0405.
2006 Land Rover Range Rover HSE 4.4L camshaft VIN: SALMF15426
Ok here is what we learned. Everybody spoke of the shim which i did know about but the gap I was talking about was about an 1/8 of an inch. this gap happens when a set of cams are 180 out the tool will go on but instead of having a .009 gap under the tool that...
2008 Mercedes-Benz R350 3.5L Balance shaft VIN: 4JGCB65E78
Hi everyone, thanks so much for your info. TO summarize pretty much everybody agreed the engine has to come out, and a few people said you have to be very careful of the head gaskets when taking timing cover off. Anyway, since this vehicle was still driveabl...
1998 Nissan Pathfinder LE 3.3L fuels system VIN: JN8AR05Y7W
hi guys. I had replace the eccm relay about 12 days ago and thought that it was fixed. now i have recheck the signal from cam to ecm and found it good. I went back to the relay, I tapped on relay when crank no start condition happened, and it fired up. I r...
2006 Subaru B9 Tribeca Limited 3.0L struts VIN: 4S4WX85CX6
2001 Toyota RAV4 2.0L Hesitation, Surge, Cuts out, Stall VIN: JTEHH20V81
As some of you suggested I thoroughly cleaned the throttle body and idle speed control motor port. It has been close to 3 weeks with no complaints from the customer about the stalling issue. I am considering this one fixed! Thanks again IATN and all those who ...
2009 Toyota Camry XLE 2.4L Surge VIN: 4T1BE46K69
The fuel rail dampener from Toyota dealer fix this problem, no more noise and even transmission shifts much better! Thanks everyone !!!
2006 Volkswagen Jetta TDI 1.9L No throttle response VIN: 3VWDT31K56
CHECKED ENGINE HARNESS FOR ANY DAMAGE. NONE FOUND. FOUND A TSB FOR PROPER TORQUE OF ENGINE AND CHASSIS GROUNDS. CLEANED AND RETORQUED GROUNDS. RE-TESTED AND ALL WAS WORKING FINE. RETURNED TO THE CUSTOMER AND ALL IS WORKING FINE. NO ISSUES. THANKS FOR ALL REPLI... Trouble codes: P0341 (Camshaft position sensor implausible signal), P0542 (Sensor reference voltage a circuit low intermitant), P2016 (Intake manifold flap position sensor bank 1 short to ground intermitant), P0227 (Throttle pedal position sensor signal too low mil on).
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