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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for June 4, 2012
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
2001 Audi A6 Quattro 2.7L ignition,timing VIN: WAUED64B21
We replaced timing belt, seals, water pump ,cam adjuster seals. Did the whole procedure step by step. Started the car and got a p0346 cam sensor range proformance code. We found out that the cam adjuster on the driver side bank had some slack on it and the cha...
2004 Audi A4 Quattro 3.0L Drivers side door locks VIN: WAULT68EX4
Customer complaint of that drivers side doors will not lock from remote and or from door switch we checked with launch and I have a central Electrical Code 02104 light detection sensor code G399 29.10 Short to ground. My problem here guys is my VW Audi tech is...
2003 BMW 760Li 6.0L MIL Lamp on VIN: WBAGN83493
I have a 7 series bmw that is a great running car. It keeps coming up with a p0430 code. I have watched the post cat waveforms and the cats seem to be operating normally. The front o2s seem to be fluctuating normally as well but my scanner posts the mA of the ... Trouble codes: P0430
2006 BMW X5 3.0i 3.0L brake lights VIN: 5UXFA13516
hello bmw guru out other need help on this bmw. the customer came in for airbag problem at first but as soon as i scan the vehicle for code i could not get into the airbag system i can get into the rest of the module engine, transmission, cluster you name it e...
1999 Chevrolet Express 1500 LS 5.0L MIL Lamp on VIN: 1GBFG15M6X
Hi could really use some assistance from you gm techs, This car came in with the two codes p340 p1336. I scoped the cam sensor and found that it had no signal i cheked for voltage coming in (12v). Decided the sensor was bad and replaced the whole distributor. ... Trouble codes: P0340, P1336
2001 Chevrolet Silverado 1500 5.3L security VIN: 2GCEK19T41
vehicle came in no start. ck codes found code b2961 key in ign fault. replaced ign switch and lock cyl. performed relearn, vehicle runs now but has security light on steady with engine running and code b3031 security system controller in learn mode.code will n...
2004 Chevrolet Aveo LS 1.6L Timing Belt/Water Pump VIN: KL1TJ52614
Vehicle was towed back in over the weekend, the water pump failed again, the shaft is cocked sideways, belt came off and chewed through the timing cover. Each replacement lasted about 8900 miles. Has anyone seen this before, or does anyone have knowledge of th...
2004 Chevrolet Trailblazer LS 4.2L low beam headlights VIN: 1GNDT13S64
Good afternoon everyone, The low beam headlights on this Trailblazer do not come on, we checked the schematics Alldata provided, tried commanding the lights on with our Solus, the data stream reads 100% when commanded, but, no low beams. If we send power thru...
1999 Chrysler Town & Country LX 3.8L Unknown VIN: 1C4GP64LXX
This mini-van came in with a complaint of the battery draining overnight. The owner noted that the gauges, on one occasion, went "hay-wire" for a brief moment. The van runs fine, with no codes. To jump right to the chase, my question is: Can someone please d...
1997 Dodge Intrepid ES 3.5L Surge VIN: 2B3HD56F4V
Hey Gang, under light throttle, in any gear, at speeds from 15 to 25 MPH or so, the engine surges until you decel or press down further on accelerator. When problem happens, I can see the tach vary from about 900 to 1100 RPM, it also shows on scanner ( I als...
1998 Dodge Grand Caravan SE 3.3L Electronic VIN: 1B4GP44G6W
Help Dodge trans techs, I think. Van cam in with complaint of rpm going to high at times. Scan with hand held cheap scanner, got code for 2nd gear solenoid. Snap on scanner cannot comunicate at all, sent the van to trans shop, they can't get anything either. T...
2000 Dodge Ram 3500 5.9L No Start
this is my own truck and i sure dont want to buy an injector pump! was driving in town 30 mph and it just started missing and surging .. cut out it has 22lbs on the lift pump pressure changed it last year.. cracked the injector lines and lots of fuel coming ou... Trouble codes: P0232, P0252, P1688, P1689
2007 Dodge Ram 2500 TRX4 5.9L Misfire VIN: 1D7KS28C87
Need help please on this Cummins. Customer indicated that this truck has been acting up for a couple of years. Has an intermittent miss. Once it is missing, it stays missing for the duration of the drive. Seems once you shut off the truck, it may start the nex... Trouble codes: P2176 (Fuel Injector Group 1 Supply Voltage Open)
1996 Ford Taurus GL 3.0L Accessories VIN: 1FALP52U0T
thanks to all i have this car that as soon as you turn the ac the car shuts off this is a co worker car he has replaced almost everything from compressor to swiches there are no codes i'm looking at the ac clutch control which is run by the pcm.
1997 Ford Mustang GT 4.6L Heater core VIN: 1FALP45X6V
Heater core is leaing again check elctrolysis each time is .250 or under dc volts like the tsb says both heater cores are from napa coolat is 50/50 mix and have the ford heater hoses with the restricter built in any help be great
2001 Ford Escape XLT 3.0L Poor Idle Quality, Hesitation VIN: 1FMCU04121
Costumer complaint was that vehicle hesitated, and drive poorly. I found some vacuum hoses leaking and replaced them. When I checked the spark plugs, plug 2,4, and 6 holes were filled with oil. The other 3 were ash fouled. At that moment it had a misfire code ... Trouble codes: C1676 (Battery pack voltage out of range), U1262 (SCP data fault for J1850 BUS), U1073 (SCP data fault for engine coolant), B1318 (Low batery voltage at module)
2003 Ford Taurus SE 3.0L Poor Idle Quality VIN: 1FAFP53U43
Vehicle has a cold start idle surge, which disappears after about 30 seconds. After starting, idle will go up to about 2000 rpms, then as the speed slowly comes down, the idle is very rough, misses a bit, then jumps up to 2000 again. After a few cycles, it sta...
2009 Ford F-150 Platinum 5.4L p/s pump VIN: 1FTPW14V59
truck is in for lack of assist-hard steering at idle and manuvering in parking lots. confirm complaint fallowed pinpoint testing as per all data last test was to raise rpm to 2100 rpm and turn steering and it got better not back to normal but better so I assum...
2003 GMC Sierra 2500 HD SLE 6.6L tempurature gauge says 240 degrees VIN: 1GTHK23193
First off let me say that this is my truck and that I am by no means a diesel tech. What I have going on here is that my truck is "overheating" according to the guage and my scanner. The temp gets to 240* after about 10 minutes of driving. Seems to get worse ...
2005 GMC Sierra 1500 WT 4.8L mil VIN: 2GTEK19V05
p0449 is the DTC, replaced the vent solenoid, very common failure on these vehicles, replace with updated one, started truck back up light came back on, so checked the dtc and it was p0449 again, checked ground and power back, have power on orange wire to the ...
2000 Honda Civic LX 1.6L No Start VIN: 1HGEJ667XY
Customer towed vehicle in on intermittent issue of fuel flooding and no start. Tech tested for spark and had weak spark on the original distributor. Replaced distributor and car fired up fine. When tried to start it up a later on in the day and now has no spar...
2003 Honda Odyssey EX 3.5L ac control VIN: 5FNRL18053
if atc control is set to 60deg-cools ok, turn up just 1 degree and stops cooling. compressor shuts off. had codes p0117 & P1491. IT MAY BE A HVAC CONTROL PROBLEM
2005 Hummer H2 6.0L Misfire, MIL Lamp on
ok,this will sound weird but i have a strange misfire issue here.between 2000 and 3000 rpm in park or while driving # 1 and #6 will show misfiring as if the plug wires were off. both follow eachother like a mirror image.there is no actual misfiring that can be... Trouble codes: P0300
1985 Jeep Cherokee 2.5L Clutch VIN: 1JCUL7812F
Thanks in advance for reading this truck came in shifting fine, clutch slipping it is worn down to the rivets. Upon removal of trans, 1/2 ball bearing found loose in bell housing, bell housing damaged broken away at casting holding drivers side ball for fork. ...
2001 Jeep Cherokee Classic 4.0L Poor Idle Quality VIN: 1J4FF58S31
My tech replaced the engine in this Jeep 2 weeks ago. We put a rebuild Jasper engine (Long block) in this jeep. The Jeep was running good no issues. Now the customer is back and the Jeep idles really rough, off idle you barely notice it. And off course no code...
2005 Kia Spectra EX 2.0L engine VIN: KNAFE12165
This car first failed the emission 2 years ago and it failed CO and NoX pretty badly and got a conditional pass, we recommended a cat. This time it has to pass to sell it. Any Kia experts or anybody that has seen this before please help.
1995 Land Rover Range Rover SE 4.0L Surge VIN: SALPV1244S
Engine will not go over 2000rpm.When it hits 2000rpm it acts like its up against a rev limiter.It does this in park,in gear and driving.I have verified new cam and crank sensors and scoped them,patterns are good.I believe the ECM thinks this engine is being ov...
2006 Lexus RX330 3.3L Afs VIN: 2T2HA31U96
There is an AFS Button in the dash and AFS lashes all the time unless you push the AFS button. What is AFS and how do you go about diagnosing it?
1998 Lincoln Town Car Signature 4.6L No Start VIN: 1LNFM82W4W
Vehicle came in on hook after dieing @ highway speed/ no restart.Tried to crank before weekend, no start. Monday morning battery dead. charged battery , still no start. scanner showed no communication with PCM. Found fuse #12 blown(inst. cluster,antitheft,ign.... Trouble codes: U1352 (Ignition switch/key), B1620 (Pats)
2004 Mazda 3 i 2.0L Hesitation, MIL Lamp on, no acceleration VIN: JM1BK12F34
No throttle response Car originally came in for oxygen sensor fault code. While tracing this down … the key was left on. We charged the battery and after that no throttle response? … rec checked and found codes set P2108 and P2107. When the codes are cleared... Trouble codes: P2108 (Throttle actuator control module performance error), P2107 (Throttle actuator control module performance error)
2006 Mercedes-Benz C230 Sport 2.5L Check Light VIN: WDBRF52H46
Hello, Engine check light on, P2629 fault code. Cannot get any info on this code. please help...
2001 Mercury Villager Estate 3.3L MIL Lamp on, transmission VIN: 4M2ZV14T51
houdy i have a p1705 code tcm wrong app signal. now at the tps the brown wire is the 5 volt ref thats ok the black and yellow wire is ground ok the white wire is tsp signal but it has a 2.56 volr reading on it sniped the wire at the pcm it still has 2.56 vlots... Trouble codes: P0126, P1705, P1105, P0105, 03
2001 Mitsubishi Eclipse GT 3.0L ignition VIN: 4A3AC84H71
Well here it goes i have a problem child 2001 eclipse customer brought it to me car would heat up and would not accelerate and would misfire badly. i checked for codes had a few p0155 o2 sensor, p1400 manifold diff pressure sensor, p0403 egr solenoid, p1603 ba...
1997 Nissan Maxima GLE 3.0L Misfire VIN: JN1CA21D4V
this car came in to us running on 4 cylinders cylinder #2 and #3 does not work however power is supplied to the ignition coil. injectors are pulsing. we went in to check on timing chain to see if timing is off but timing is okay. we went in to swab another com...
1961 Pontiac Star Chief 6.4L Hesitation
This car runs great, has a hesitation upon acceleration. I did notice, and suspect, that the intake gaskets were leaking, and they are. upon removal of the intake and during the cleaning process, I noticed that ther are low spots between the intake ports on th...
2003 Pontiac Grand Prix SE 3.1L MIL Lamp on VIN: 1G2WK52J73
This car came in with a P0341 (CMP sensor circuit). The customer just had the engine "rebuilt" (I don't know exactly what was done) somewhere else, and the car set this code and had an off idle hesitation. Before bringing it in, they replaced the cam sensor an...
2005 Saab 9-5 Arc 2.3L No Start VIN: YS3ED49A65
This Saab will crank but not start. No codes present using Maxidas and Launch (I do understand Tech II would be considered beneficial). Tested for spark from IDM and found spark. Installed IDM in known running car for redundancy and the other car starts with ...
1997 Toyota Camry CE 2.2L All forward gears and reverse VIN: 4T1BG22K4V
Customer stated the car would not move forward or backwards. Pulled a code P0770. I got into the car and it drove and shifted fine, temporarily. Once it warms up it won't move either way in any gear. P0770 is for the torque convertor lockup solenoid, common pr...
2004 Toyota 4Runner SR5 4.0L a/c control unit VIN: JTE8U14R14
Hey guys,help!! I did an r/r evaporator(removed dashboard) on this toyata 4 runner 2004. Know I can't operate the a/c control unit at all tempetature,mode nothing works.I took dashboard out check and recheck all the wires and nothing seems out of place,by a ch...
2007 Toyota RAV4 Sport 3.5L engine VIN: JTMBK32V87
i was wondering if anyone has had experiance changing engines in these? i was looking for the easiest way to change it, if its easier to take it out the top or out the bottom? mitchell calls for like 19 hours..thanks everyone in advance for your help and after...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2003 Audi A4 Cabriolet 3.0L Unknown VIN: WAUAT48H23
Thanks for all the responses. In the end this audi turned out to be simple. After going for a ride with the costomer and having him show me exactly what he was feeling. I detrmined it was a front wheel bearing. He thought that the bearing noise was the engine ...
2007 Audi Q7 Premium 4.2L Starting, ignition VIN: WA1AV74217
Thank you for all of the replies! We diagnosed it as a failed access/start permission module. The mod. only comes with the entire upper section of the steering column to the tune of 1300.00. Unfortunatly the vehicle had go to the dealer to have the keys progra...
1994 Buick Park Avenue 3.8L No Start, no injector pulse VIN: 1G4CW52L4R
hello-i have fixed this machine. the harness down to the CKP had 4 bare wires touching each other in some short circuit form or another. what these wires did was short out my good tester ICM as i was testing and make me experience the same symptom over and ove... Trouble codes: P1361 (Ignition Control Toggle Malfunction), P0321 (Spark Lost----History Code), P1629 ([...] Crank Malfunction).
1990 Chevrolet Camaro Iroc-Z 5.7L No Start, no injector pulse
As per IATN, I need to close this request with a summary. I will update a fix once truck is running. Everyone contributed greatly to my issue, and I thank you very much for your time. I have sent the PROM/MEMCAL out to Tune Port Programing Services that will c...
1998 Chevrolet Prizm 1.8L engine VIN: 1Y1SK5280W
Checked grounds & voltage at fuse box, and remove the ignition to check input voltage & outputs voltage. But did not find anything bad. Something I did find interesting is if you put on the flashers. The starter will engage with the beat of the flashers (on an...
2002 Chevrolet Impala LS 3.8L Starting VIN: 2G1WH55K02
Thanks for all the replies.Due to the fact that draw was changing from circiut to circiut I decided to go with bcm.replaced and programmed and car is fixed!!!
2007 Chevrolet Silverado 2500 HD Classic LT 6.6L No Start
Ok the truck is up and running. Sorry about the quick post Friday, it was right after work and heading for home when it broke. I have not had to work on one of these until now and was unfamilar with the system. That being said: It was the fuel filter, I remove...
2004 Dodge Durango SLT 5.7L Misfire VIN: 1D4HB48D84
Replaced the intake manifold gasket and took care of the problem thanks to all. Trouble codes: 300 (misfire).
2001 Ford Mustang GT 4.6L No Start, VIN: 1FAFP45X41
well guys no luck so far. been on and off of this one as it is very time consuming. installed a used pcm but it got hung on a theft problem. apparently ford programed the keys but not the cluster to the pcm. continued testing with the old pcm and found no prob...
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L No Start VIN: 1FTNW21P14
Well we finally licked this popsickle.. Alan from Michigan hit it on the nose. The seal at the back of the pump at the gear was bad. We replaced the pump and tested for 2 days and all is well. My hair is starting to grow back now. Thanks for all the great help...
2004 Ford Explorer XLT 4.6L heat VIN: 1FMDU73W44
replaced blend door motor (easy fix)did not have to r&r dash to replace. remove center consol,center trim panel and lower colom panel.remove left lower air duct.three bolts can be removed with a 8mm wrench and a 8mm swivel. thanks.
2006 Ford F-150 XLT 5.4L Headlamps VIN: 1FTPW14506
No moisture inside was found, no water leaks from windshield. Auto DRL are present. Vehicle never had a draw greater than 35mA while at our shop. Customer will return if problem persists.
2008 GMC Yukon SLT 5.3L Hesitation VIN: 1GKFK13018
New fuel pump fixed all problems. Thanks so much to everyone who responded with help. It is always greatly appreciated. Thanks again, Mike.
2003 Honda Element EX 2.4L MIL Lamp on VIN: 5J6YH28563
Thanks for all those who helped. Here is what I have discovered so far. The installation of a new replacement PCM requires the vehicle’s security (Immobilizer) system to be registered to the new PCM. This is necessary so the vehicle can start and run normally...
2001 Hyundai Tiburon 2.0L draining VIN: KMHJG35F71
the way i finally drained this thing was to remove the by pass hose,i had a catch pan under it and measured what drained out,with radiator petcock open and by pass hose removed i was able to drain 5.5 qts of coolant,the system holds a little over 6 qts so i be...
1997 Jaguar XJ6 L 4.0L intermittent VIN: SAJHX6244V
Inreference to replies received, one correctly noted that I had described the problem in terms of a V-8 type of throttle body. My mistake as I was thinking of the car as a V-8 when it is a 6 cylinder car. I took the car for test driving over the weekend and wa...
2005 Mini Cooper S 1.6L transmission VIN: WMWRE33595
2005 Nissan Altima S 2.5L No Start, MIL Lamp on VIN: 1N4AL11D75
Boooyaaaahhh!!!thanks to everybody for the replies! Just the way I thought ! The fix was an ECM ! Told the body shop owner to get me at least an used one just to see if I was gonna get my data specification and that was it!!!after install of ECM , call a locks... Trouble codes: P1122 (Electric throttle control function), P1126 (Throttle control motor relay).
2000 Saab 9-5 SE 3.0L No Start, crank no start VIN: YS3EF58Z9Y
I was never able to get this car fixed. The customer needed it back and did not want to go further with diagnostics ( i donated plenty of my time). The info i got from replies and other research was that crnaking speed is critical to this application. i had ... Trouble codes: P1135, P1141.
2002 Saab 9-5 Arc 3.0L No Start, Hesitation, Stall, Misfire VIN: YS3ED59Z32
This one is fixed. The replies that stressed fuel supply turned out to be right. I was watching the amp trace on the scope and the fuel pressure gauge while cranking the car repeatedly and one time I saw the pressure bleed down rather quickly after shutof...
2003 Saab 9-3 Arc 2.0L ignition lock VIN: YS3FD49Y43
I own 2 Tech 2s, but couldn't find anyone who had SAAB software that I could borrow. I was warned by a local Saab specialist that this vehicle was a split year design and they are electrical nightmares that he sends directly to the dealer without hesitation. ...
2003 Saturn Vue 2.2L Mechanical VIN: 5GZCZ33D43
Thank you for all the replies on this vehicle. I should have gone with my first instinct which was a torque converter seal. However, fluid was literally just pouring out of this thing so I was having a hard time believing that was what the problem was. Howev...
1995 Toyota 4Runner SR5 3.0L No Start VIN: JT3VN39W5S
thanks everyone for the info and help what i have found was that the was water leaking into the ecm/pcm from the windshiled in which it was shorting and keeping all injectors open and pouring gas into the engine.
1997 Toyota Corolla 1.6L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 2T1BA02EXV
sorry for it takeing so long to get back,customer did not want to put anymore money in the car.i think the ecm was bad the injecters were pouring gas into the engine flooding the plugs,i put a o2 sensor in it,and tried a egr valve, befor letting it go.reading... Trouble codes: P0300, P0301, P0302, P0303, P0304, P0120.
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