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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for October 13, 2011
International Automotive Technicians' Network (iATN) - Members Only
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Open Help Requests for All Makes and Models
Help Request Answers
2003 Audi A4 Cabriolet 3.0L Glass VIN: WAUAT48H83
we have a a4 that the passenger window does not drop to clear the convertible top when door handle is activative. the window works fine otherwise.. does anyone have an idea or has had this problem..door latch switch or is it the window regulator..thanks in acd...
2006 Audi A8 Quattro 4.2L Lighting VIN: WAUML44E56
code 02071 unable to find any info on this code or how to fix this problem.. has any one ran into this problem before
2002 BMW X5 4.6is 4.6L LH VANOS loose VIN: 5UXFB93S12
Hey guys needsome help with a BMW. This vehicle came in from another shop with timing chain noise RH head. we removed valve covers and inspected. Of course we found the center guide missing all the plastic, but once we removed the LH valve cover we found the v...
2004 BMW 530i 3.0L Trunk Latch VIN: WBANA73564
Hello BMW Techs: We've got another winner! Ok, the trunk latch has been replaced twice in the last several months by us. It comes back with the latch not working and the latch itself is very warm to touch like it's shorted out. The latch appears to be going ba...
2004 Cadillac SRX 3.6L Ebcm VIN: 1G1YDE6375
Good morning. This caddy came in with abs, steering, trac control, tire monitor and cruise messages on display. In checking I found the problem was brake fluid destroyed the ebcm. The whole assembly was purchased from a local salvge yard. After instalation a c...
1992 Chevrolet Corvette 5.7L No Start VIN: 1G1YY23P8N
wont start have i missed something gone all basics so i am sure no codes car been sitting came from dealer spark ,fuel air and seems to be the right time..did notice while cranking hsas no vacume at intake
2004 Chrysler Pacifica 3.5L rear hatch latch VIN: 2C8GF68484
hi all fellow techs. got us a head scratcher here. have an 04 chrysler pacifica with an inop auto rear hatch. One of the other techs diag'd it to be the latch motor, so we got a new one installed but still no hatch function from hatch handle, button near rearv...
1994 Dodge Ram 2500 5.9L lock-up VIN: 1B7KF26C4R
This truck came in for kicking in and out of lock up at light throttle cruise. Took the truck for a ride sure enough it went in and out of lock up while at a steady speed sometimes very quickly. I have fixed many of these problems before. I put my scope on the...
1998 Dodge Intrepid 2.7L speedometer, tach VIN: 2B3HD46RXW
Car was brought to us from another garage. Speedometer and tachometer are both inop at all times. Shop before us replaced a boat load of items, all junk yard parts. Check engine light was on with codes: P1687- No MIC BUS message receieved, P1695- No Body CCD M...
2002 Dodge Ram 1500 SLT 5.9L steering VIN: 1D7HU18Z42
Guys I have a real weird problem here. Customer brought his truck to us after him and his neighbor installed a new steering rack that was originally replaced due to leakage. It is an 02 dodge ram, 4 wheel drive. Took to another shop to have it aligned. they to...
1993 Ford Mustang GT 5.0L Vibration VIN: 1FACP41E6P
Customers complaint is vibration when driving at 75MPH. Has had wheels balanced at several tire stores. He had me re-check them again, and to look closely at the wheels for out or round or bent. Balancing was only off by about 1/4 oz per tire. No visible runou...
1999 Ford Crown Victoria 4.6L Fuse 12 VIN: 2FAFP71W1X
techs: 30 amp fuse blows after car heats up and you drive it...I have checked injectors, maf and all 4 O2 sensors. Leaning towards the transmission harness feeding shift solenoids, TCC and pressure control solenoids...anyone experience this problem or any oth...
2000 Ford Ranger XL 3.0L Mechanical VIN: 1FTZR15V1Y
i hope u can help i have a 2000 ranger with a definate miss at idle. i have ran compression test and a leak down test on cyl#6 i have 130 psi compression in that cylinder and all other cylinders, when i ran the leak down test on cyl#6 i had a 5% loss in the cy...
2001 Ford Explorer Sport 4.0L Stall VIN: 1FMCU60E21
Thanks in advance for your time. The problem is that this truck stalls intermittently, if you drive in on the freeway for a while and come to a stop it dies. It will start back up and then as soon as you put it in gear it dies again if you put it in reverse ...
2003 Ford Explorer XLT 4.0L Engine VIN: 1FMDU73K43
Is there a oil bypass or pressure relief
2003 Ford F-150 Lariat 4.6L speedometer VIN: 1FTRX18W23
Truck came in from another shop that installed a horn, while they tested for the horn they inadverntly shot 12v to the pcm and fried it. We installed new pcm and had programmed at dealer. Customer stated speedometer worked prior to work. received truck back fr...
2004 Ford Crown Victoria Police Interceptor 4.6L MIL Lamp on VIN: 2FAFP71W54
This has had several shorts found when installing a pcm it use to last 3 min. now after repairing wiring and fuel pump and fuel module it lasts about 45 min. than pcm I'm assuming is shorting out all wiring checked ran with good pcm monitor circuits but after ...
2007 Ford Edge SE 3.5L Smart Jnction Box VIN: 2FMDK38C77
This Edge is from another shop who asked me to program a new smart junction box. when i got to the vehicle the newSJB was installed. I performed a PMI with Ford IDS using as built data from motorcraft service, i operated the dimmer switch, the remotes were alr...
2007 Ford Crown Victoria Police Interceptor 4.6L cigar lighter VIN: 2FAFP71W37
Lately, most of the cop cars I've bought for my taxi fleet come w/ the pigtail for C299, (lighter and power point) missing. My parts tech can't find a part number for this pigtail. He sent 3U2Z-14S411-NRA which is not correct. Anyone come across this and know ...
2003 GMC Envoy SLE 4.2L shift VIN: 1GKDT13S73
Owner complaint: Sometimes while sitting at a traffic light, the tc engages 4lo. He can get it back to 2 hi by rotating the selector switch to 4lo, then back to 2hi. Currently the system is working fine, no current codes. History codes show C0300, 0306, 0327, ...
2008 GMC C5500 Topkick C5C042 6.6L MIL Lamp on VIN: 1GDE5C1958
This is a tow truck that belongs to a good friend and has been driving me crazy since July; I'm hoping someone can help steer me in the right direction. It all started in June when the owner replaced the air filter as routine maintenance. The filter was a dea... Trouble codes: P0101 (MAF sensor performance)
2000 Honda Accord EX 2.3L Engine VIN: IHGCG6584Y
Sold this vehicle and it is back with oil consumption issue. We did a oil change with regular mobil 520 before selling.Customer is using 1 qt every 3 days. Ive read where the oil rings can stick but havent seen any of these articles state as much oil usuage as...
2007 Honda Civic Si 2.0L Gear VIN: 2HGFG21547
The steering loses power assist during a right turn and will bind coming out of a turn. A bad torque sensor??? There are no codes present. Thanks in advance for the help!
1999 Hyundai Sonata GLS 2.5L Hesitation VIN: KMHWF35V4X
We checked timing belt alignment and this is okay. The customer says the car lurches, which it does. No power, pops back at times through intake manifold. We found the OBDII scan tool MAF reads .001 gms/sec and on genysis MAF reads, 24 gms/hour. Not sure if th...
1999 Hyundai Sonata GLS 2.5L timing belt idler bolt VIN: KMHWF35V7X
This appears to be an isolated event but I am looking for some comfirmation from other techs. The idler mounting/pivot bolt broke off clean with the block on this car after running 100 miles from the timing belt/water pump, and idler change/service. All parts ...
1993 Jeep Grand Cherokee Laredo 4.0L No Start VIN: 1J4GZ58S0P
Jeep was towed in no start. I have no spark. I can cycle ASD relay and have power to coil, but no ground pulse from computer. Scoped crank sensor-good signal and cam sensor-not a normal pattern. Replaced cam sensor-no change. Tried a crank sensor just to be su...
1998 Jeep Grand Cherokee Laredo 4.0L Coil VIN: 1FGE32G1CW
Vehicle will occasionally shut off. It restarts right away and wuns fine for over an hour, than it will shut off again. I hooked an inline spark tester and injector noid light and finally got vehicle to fail. When it shuts off it still has injector pulse but n...
2008 Jeep Grand Cherokee Laredo 4.7L Surge VIN: 1J8GR48K08
Customer states sudden unintended acceleration. She would hit the brakes and eventually it would just stop. I ran codes in my quicky scanner, nothing came up. I hooked up my launch and came up with those two codes. From my research on iatn, the P2299 was proba... Trouble codes: P0585, P2299
2006 Lexus GS300 3.0L Locks,Mirrors VIN: JTHBH96S36
Hello that car came to us from a body shop it had left front headlight replaced and minor repair on left front and set there for around 2 weeks, when it was competed the door mirrors are inop they will fold just the glass adjusters do not work and the vehicle ...
2007 Lincoln MKX 3.5L lift gate VIN: 2LMDU88C07
After accident the car was repaired by a body shop and returned to customer, only to find many issues including the drivers seat inop, fuel gauge inaccuracy, tail lights and side markers inop, spongy brake pedal, rear hatch only working intermittently and a fe...
2006 Mercedes-Benz ML350 3.5L Glass VIN: 4JGBB86E26
Battery died while transmission was being repaired. After trans was reinstalled and battery was recharged we noticed that the rear power tailgate won't open. Is there a way to re-initialize? You can hear it unlock and lock...just won't open on its own.
2008 Mercedes-Benz E350 3.5L Compressor whining sound VIN: WDBUF5LX58
Owner is concerned about the sound. I read one tsb about the belt,p-83 55-87b. Has anyone repaired this or is this normal? Vehicle cabin is cold,and operation seams ok.
2005 Mini Cooper 1.6L testing VIN: WMWRC33505
this car came in because she failed smog because the check engine light didn't work and there is a fault 1477( reed switch does not open). I replaced the instrument cluster and coded it, and that fixed the light problem. I tested the ldp pump and replaced it a...
1996 Mitsubishi Montero LS 3.0L Ride VIN: JA4MR41H8T
HI there ive got a 1996 Montero LS(3.0l) At 85km/hr ive got a mad vibration that shakes the whole vehicle. On a hoist(suspension loaded and unloaded) vibration cannot be duplicated. This is driving me crazy so any help would be appreciated! Thanks, Mike
2001 Nissan Maxima GLE 3.0L Woofer speaker VIN: JN1CA31A11
Hi guys I have a question about speakers on the speaker + how much voltage should I have? Whats going on is the woofer speaker is not working it has five wires going to it the red is fused power and I have that, blk is ground and it is good, grn/wht is the on ...
2002 Nissan Maxima SE 3.5L Stall, MIL Lamp on VIN: JN1DA31A62
Hello all, This Maxima came in on a trailer and the plugs had been neglected since new so were replaced. I did find codes for ECM and ETC but it ran very well with new plugs until it warmed up and died and would not restart. I replaced the ETC and again it ran...
2005 Nissan Altima SE 3.5L Transmission, cluster, signals VIN: 1N4BL11D05
Vehicle came with several electrical problems- turn signals flash externally but no indicators in instrument cluster but while on, the trip meter flashes thru all its different messages or modes such as compass, Trip a & b, 3 lines or blank. It does this goofy...
2006 Nissan Altima SE 3.5L engine VIN: 1N4BL11D16
eng. knocks possible main bearing noise very slight. has anyone ran into this issue before with the 3.5 litre at only 31k miles. Cust. has allways used the proper weight oil in this veh. veh has never been abused. or overheated. {help apreciated}
1990 Oldsmobile Cutlass Calais S 2.3L Misfire VIN: 1G3NF14D1L
i have a 90 olds with a 2.3 engine and its got a engine miss.#1 and #4 .ive switch coils,replaced coil tower 2 times replaced ignition module.now after diagnosing the car for 2 days. now there is no spark on #2 and#3.it did not change when i switched coils.it ...
2000 Oldsmobile Alero GL 2.4L abs codes VIN: 1G3NK52T9Y
put a new wheel bearing in put a new dealer section of wiring harness in pulled out the module didnt look bad did a pin to pin test wires ok keeps throwing a code c1232 for the left front wheel bearing problem
2004 Pontiac Grand Am SE 2.2L No Start VIN: 1G2NF52E94
This vehicle will not start. No spark. checked crank sensors, which seemed okay, using Vantage Pro scope. Replaced ignition module, still no start. Has original wires, and coils.
1999 Saab 9-5 SE 3.0L turbo VIN: YS3EF48Z4X
Hi, I'm rebuilding the turbo on this vehicle and can't find torque specs for this Garrett GT 17 turbo. If anyone has these available, I would greatly appreciate it. Thanks in advance,
2008 Saturn Vue XR 3.6L starter VIN: 3GSDL73738
usually when you attempt to start this vue there is a 5 to 15 second delay before the starter relay engages. sometimes the starter won't engage at all unless you release key and try again. The PCM is not sending voltage to the starter relay control coil. When ...
2005 Toyota 4Runner SR5 4.0L Four Wheel Drive VIN: JTEBU14RX4
Toyo techs i need some help on this one.this 4runner has got me ripping my hair out.the vehicle came to me from auction so i have no other history. It arrived with both amber and green 4x4 lights flashing.i checked the transfer and add actuators and found issu...
2003 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSE69M23
Ok guys I have a vw with alot of codes and I need help on were to start first. These are the codes I have.p0102 p1472 p1425 p1117 p1435 p1432 p1624 p1114 p1115 p0327 and a vw code 01166. All these codes can be cleared and come right back after start up.I dont ...
2005 Volkswagen Jetta TDI 1.9L both front wheel bearings VIN: WVWSR61J75
I'm in need of some advice here on the front wheel bearings. 2 years ago we installed 2 new temkin wheel bearings. 35,000 miles later both bearings are loose. anyone have suggestion on different brand of wheel bearing that they have had good luck with. we have...
2001 Volvo S80 2.9 2.9L Evapourator temp sensor VIN: YV1TS49K91
Hi I am tying to find the location of the evapourator temp sensor I can not see any wires running into the evapourator. All I need to know is were it is and what I have to pull out to get to it. Any help would be appreciated.

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Acura TL 3.2L module?? VIN: 19UUA5643X
to all the tech that help me with this problem thanks. i have solve the problem. i had to go through all the code that i have found in the car. problems are egr stuck close rough idling replace egr, iacv hole was clog clean throttle body and the iac passage ad...
2011 Audi Q5 3.2L parking brake VIN: 1AUV34433V
Thanks to all for the speedy replies.Alex ,the battery cable did indeed do the trick.Put the cable end in and cleared codes from all modules. All is well.Not much info on this vehicle available.Thanks again everyone.
2002 BMW Z3 Roadster 2.5L Two piece drive shaft VIN: 4USCN33482
The Differential seemed tight but the rubber was fatigued. Replaced all of them and the "rag" joint at the transmision and car is as smooth as silk. Thanks for the tips. The electric brain has come through again.
2005 BMW Z4 2.5i 2.5L No Start VIN: 4USBT33595
thanks to all who took the time to reply.due to the very intermitant occurance of problem i went with a crank sensor and after a week with problem not reoccuring i let car go and i hope that it is fixed.thanks again Trouble codes: 2774 (engine cut off time), 3C1D, 27A6, 27AA, 27A8, 27AB.
1999 Cadillac DeVille d'Elegance 4.6L MIL Lamp on VIN: 1G6KE54Y2X
Sorry it took so long for this post, the customer couldnt be without the vehicle for long periods of time. After having scoped the ckp's, cmp, 24x, 4x and fuel control, we found that all signals were clean. Turns out Juan [...] was right, the GM dealer that d... Trouble codes: P0340 (Camshaft Position Sensor Problem).
2007 Cadillac DTS 4.6L Transmission VIN: 1G6KD57Y77
Found Dealer bulletin that says to over inflate tires to 45 psi then let all the air out then inflate to what is recommened tire pressure. If this does not correct noise dismount tires and remount. The noise is now gone.Do not know why this stopped the noise b...
1982 Chevrolet Corvette 5.7L Stall, Misfire, MIL Lamp on VIN: 1G1AY8785C
i check all power and ground connecyions. found coolant temp sensor wires pinched under bracket and both wires melted together. repaired those wires. then replaced module and coil. then checked all wires to ecm. they all check good. so i replaced ecm. first on... Trouble codes: 42 (est).
1999 Chevrolet Camaro 3.8L Hesitation, Stall, MIL Lamp on VIN: 2G1FP22K2X
Thanks to everone that took time to reply. I finally dug the whole story out of the customer.Turns out the check engine light came on while she was driving so she decided to FILL it with fuel and THEN it started running bad. It was running fine until then so I... Trouble codes: P0440 (Evap system).
1999 Dodge Ram 3500 5.9L abs VIN: 1B7MF3362X
Thanks for all the help. Mel & Nick hit right on the head. We had replaced the PCM, for a charging issue, just before the problem started. In fact the lights came on while returning the vehicle to the customer, but It also blew a brake line at the same time...
2006 Ford Fusion SE 3.0L MIL Lamp on VIN: 3FAHP07186
Thanks for all the help from everyone, I finally figured out it must be some type of electrical interference that was causing the hi-speed can bus to go crazy and create the listed communication problems. Since I had already tried isolating the ignition coils ... Trouble codes: P260F, U1900 (Chip malfunction can bus fault), U0073 (Chip malfunction can bus fault), P1657 (TCM communication link error).
1997 GMC Savana 1500 5.7L Poor Idle Quality, Hesitation, Surge VIN: 1GBFG15R7U
good morning everyone.this vehicle is fixed.i just want to say thanks to those who responded.the fix was to replace the pcm.we used an used pcm.it has been running good.costumer has been driven it for a while now.so there it is.thanks guys.and may u all have a... Trouble codes: P0102 (maf ckt low).
2003 GMC Yukon XL 1500 SLT 5.3L abs VIN: 3GKEC16Z93
Ordered a "new" module from the dealer. Turned out it is a reman unit. Installed and no longer had the c0251 but not has the c0265. Will return it as defective and see where the customer goes from here. Probably new vehicle route. Thanks to all.
2007 GMC Yukon Denali 6.2L Air Bag VIN: 1GKFK63817
1992 Honda Accord DX 2.2L Excessive Emissions
as many of you techs mentioned egr ports.i applied vac to egr very fast and engine stalled.i than slowly applied vac to egr and engine ran rough but did not stalled.found 4 ports plugged.cleaned up and pasted emission test,thanks for your guys.by the way,egr i...
2005 Kia Sorento EX 3.5L MIL Lamp on VIN: KNDJC73395
Thank you to everyone who sent a reply. Most said it was more thank likely a cat and some offered some ways to try to check it. The bad part is, nothing came through as a definate "yes its bad, no its not bad" way to diagnose it. I HATE guessing at repairs and... Trouble codes: P0430 (Catalyst Efficiency Bank 2).
2004 Mazda RX-8 1.3L Poor Idle Quality, Stall, Misfire, MIL Lamp on VIN: JM1FE17324
Installed 4 new coils, ignition wires and spark plugs. Runs like a champ. Thanks for the help. Trouble codes: P0301.
2004 Mercedes-Benz S500 4Matic 5.0L Door locks VIN: WDBNG84J34
Thanks to all who replied. Thanks to Federico, I found another use for my smoke machine. No leaks were found. I guess that I suspected the pump, but hated to jump in that direction. Turns out that I should have jumped. A new pump has everything working.
2001 Mercury Sable LS 3.0L power steering VIN: 1MEFM53241
Thanks Guys your the best, I sure got alot of good ideas from you guys and learned alot about the problems you can get from these power steering systems. WOW outstanding info from all 38 of you. Did a process of elimination like Al from Florida said see if the...
2005 Mini Cooper S 1.6L Starting VIN: WMWRH33545
traced the problem to the fuse box and electrical portion of the ignition switch, the contacts of the ign. sw. were burned and causing intermittent no start, they were getting so hot that caused some melting in the fuse box
1999 Nissan Frontier SE 2.4L Excessive Emissions, No Start, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1N6DD26S6X
This battle is over and on to the next one, had several factors that muddied the waters, first was not always in failure condition, second was the only change we saw was the injectors going over 20ms, third was wanting to try a air flow sensor, none readily av... Trouble codes: P0440 (EGR Flow).
2004 Nissan Sentra 1.8L Engine VIN: 3N1CB51D64
Thanks for the help everyone. The consensus was that they are the same block and head. I did find out that the intake and the exhaust manifolds are different so I am swapping them to keep this CA legal.
2001 Oldsmobile Aurora 4.0L MIL Lamp on VIN: 1G1NE52314
Thanks for all the replies which most of you said is the valve,customer came back and the engine light was off and said it now stays off more than on and we told him about the valve and it also tested fine.He will bring it back as soon as the light comes on st... Trouble codes: P.
2002 Pontiac Grand Am GT 3.4L Tcc VIN: 1G2NV12E82
Found bad body ground at ground number G301. Also checked the charging system and alternator. Suspected a bad ground from the beginning. After reviewing all body and engine grounds, found bad ground at G301. Thanks for all the input.
2004 Suzuki Verona S 2.5L Poor Idle Quality, Cuts out, MIL Lamp on VIN: KL5VM52L34
had an itching feeling maf was lying so i unplugged her and car started and ran beautifully drove great normal fuel trims. so first tried cleaning ran like garbage plugged in unplugged great. so i just decided to pull the trigger and installed it this mornin... Trouble codes: P0121, P0171, P0174, P0300, P0102, P0562.
2000 Volvo S80 T6 2.8L Long crank to start VIN: YVITS90D2Y
We checked everything we could without having a volvo scan tool. I think the surface between the transmission and engine were not clean when they put the used engine in this vehicle but i could not conform that. I sent the customer to the dealer.
2008 Volvo XC90 3.2 3.2L Runs poorly at times VIN: YV4CZ98278
A few questions later and it looks like the auction had been into the battery. The connections were loose and appear to have been off. Securing the terminals and test driving overnight have shown the vehicle to run well and no check engine light or codes. T... Trouble codes: P050B.
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