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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 10, 2014
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 gauges,windows,radio,sun roof VIN: 2HNYD18823
03 MDX cluster,windows inop car runs.
2007 Audi A8 Quattro 4.2L Instrument Cluster VIN: WAULV44E77
The car when brought to my workshop did not display the PRNDS and other information on the instrument cluster, the gauges, speedometer,temperature and other doesn't not move either. i have change the cluster and try other module but refuse to work for me, the ...
2007 Audi A4 Quattro 2.0L Engine VIN: WAUDF78E47
this car was driving down the road and dies--cranked over like no compression--pulled valve cover and found rocker arms had popped out on cyl 1 &2 intake valves--valves were bent--pulled head and sent to machine shop to be repaired--they replace 4 vavles/rocke...
2006 BMW 330i 3.0L Poor Idle Quality VIN: WBAVB33506
Hello there and thanks for the help with this possessed demon. This BMW runs great EXCEPT, intermittently, while sitting at idle, it will let out a pronounced sputter, like a fishbite. You can see the tach dip down when it does it. The vehicle runs great oth...
2004 Cadillac CTS 3.6L MIL Lamp on, Reduced Power Mode VIN: 1G6DM57754
Need the help of IATN GM experts-only code P2122 returns and engine goes into reduced power mode.Believed cut & dry repair fit TSB exactly. P2138 is gone ECM replacement cured P0606 as it should have.All wiring intact & nothing rubbed.Have checked C104 Connect... Trouble codes: P2121 (APP Sensor 1 Performance-Circuit Low)
1988 Chevrolet K2500 Cheyenne 5.7L Hesitation VIN: 1GCFK24KXJ
This truck hesitates on hard acceleration. Almost feels like a restricted exhaust, however it is not restricted. Feels like it's not getting the proper amount of fuel. Pressure and flow is correct. I also noticed that the fuel pressure does not increase under ...
1998 Chevrolet K2500 Cheyenne 5.7L transfer case VIN: 1GCGK29R9W
the t/case is searching for position with the key off.with ignition on it will search and land only in 4lo.the relay in the tccm clicks and sends power from blk to red wires at the encoder motor. i have unpugged all the peripheralls that input to the TCCM and ...
2002 Chevrolet Silverado 1500 LT 5.3L No Start
This my personal truck. It died when driving home about a block from the house. I had an idea it might be the fuel pump, as it was original. I checked fuel pressure,and it's zero. I rigged up my injector canister with gas; hooked it up to fuel rail, and drove ...
2005 Chevrolet C4500 Kodiak C4C042 6.6L fuel VIN: 1GBE4C3255
engine smokes heavy black lock of power and knocking I am not to familiar with diesel engines i have no trouble codes did a cylinder contribution test all 8 cylinders withing 2 to 4 rpm from each other.
2005 Chevrolet Suburban 1500 LT 5.3L cylinder #6 misfire VIN: 3GNEC16Z05
misfire cylinder #6. not a complete mis. smooths out while driving. changed all spark plugs. swapped injectors, coils, ignition wires. check injector and coil signals. compression test was 30psi lower on cylinder 6 then other cylinders. removed valve covers an...
2005 Chevrolet Silverado 1500 4.3L Stall VIN: 1GCEC19X35
I have tested all sensors for 5 vt and signal issues. I found a broken wire and the wrong pig tail for the ECT and replaced them. I have done the wiggle test. reflashed the pcm and theft. at this time I checked volt drops at the pcm on power and grounds. back ...
2009 Chevrolet Malibu LT 2.4L Cuts out, Stall, Bucks VIN: 1G1ZJ57B09
Car can be driven any number of miles (3, 29, 50) before it occurs. Bucks at road speeds or dies at lights. Always restarts and always has all for codes - P0201, P0202, P0203 and P0204. No shorts, opens or voltage drop across injector harness on power supply ... Trouble codes: P0201 (Injector 1 control circuit), P0202 (Injector 2 control circuit), P0203 (Injector 3 control circuit), P0204 (Injector 4 control circuit)
2004 Dodge Dakota SLT 4.7L Cuts out VIN: 1D7HL48N24
vehilce acts as if the rev limiter hits when accelerating... vehicle drives great unless hitting the 2300-2500prm mark always! Trouble codes: P0016
2004 Dodge Ram 3500 ST 5.9L Unknown VIN: 3D7MA48C44
Now have vehicle togeather but engine wont go over 2000rpm,is there any way to make computer forget it was a automatic trans?Tryed swapping ecm but then wont start because SKIM not programed with that ecm.any help would be great.Thanks.
2006 Dodge Grand Caravan SE 3.3L Unknown VIN: 1D4GP24R76
Vehicle has noticeable surge between 45-55 mph with Torque convertor clutch locked. No codes. Runs great, fluid looks good. It feels like there is a repeating pattern to the surge. does so with or without cruise on. unhooked EGR and Purge Valve, no help. Bank ...
2010 Dodge Grand Caravan SE 3.3L MIL Lamp on, Runs Poorly VIN: 2D4RN4DEXA
Thanks for reading my post and hopefully replying to it. The mileage you saw is correct.280,000 This is a taxi. Originally came in with misfire code P0304, found plugs worn to the porcelain. Replaced plugs with OEM #'s and also replaced coil and wires. Ran fin... Trouble codes: P1128 (Closed loop Fueling not Achivied Bank 1), P0300 (Random Misfire), P0339 (Intermitent Crank Signal)
1997 Ford Explorer Eddie Bauer 4.0L R. Headlight VIN: 1FMDU34E3V
I'm having a brain fart, and haven't devoted much time to a lot of testing. Power and ground on the right headlight and the left headlight appear the same. The right headlight is dim on Low and High, left works normally. Has autolights,w/ fog, no DRL. What am ...
1999 Ford F-150 4.2L Poor Idle Quality, Hesitation, Poor Fuel Economy, MIL Lamp on
Hey guys, this 99 f150 came with poor idle quality load/no loa, dtc P1583 IMRC stuck open. I've pulled off the plenum to gain access to the runner control valve. It ,oves when turning by hand. Linkages are a little sloppy but intact. 12v circuit good & ground ... Trouble codes: P1538 (Imcr stuck open)
2004 Ford Taurus SE 3.0L Excessive Emissions, Poor Idle Quality, Surge, MIL Lamp on VIN: 1FAFP53U54
we got this 2004 for taurus towed in from a used car dealer with a crank no start condition we replaced the fuel pump for no pressure and car started dealer picked up the vehicle and came back three days later with the check engine light on and the car running... Trouble codes: P0040 (p0041-), P0041
2003 GMC C5500 Topkick C5C042 8.1L propane tank VIN: 1GDG5E1E03
propane backfeeds from primary tank to secondary tank as fuel is used, causing vehicle to run out of propane and no start. I am sorry but I have no knowledge of this system at all. is there a switching valve that might be defective, if so where? Are there any ...
2000 Jeep Cherokee Sport 4.0L No Start, Poor Idle Quality, Cuts out, Stall VIN: 1J4FF48SXY
This Jeep came in to repair some minor body damage. We replaced the bent and broken body parts, then started to drive to the paint shop when it died. We pulled over let it cool down and it started up, went down the road a short distance when it died again. We ... Trouble codes: P0300, P0306
2007 Jeep Liberty Sport 3.7L Misfire
Chrysler Tech here. Have had a lot of these and have replaced the head every time with great results. Came in for P0303. Would only happen at idle. Swapped coils, plus, injectors. Checked compression- #3 was 175(others were 180-185). Cylinder leakage was 40% c... Trouble codes: P0303 (3 Misfire)
2006 Mazda Tribute S 3.0L Misfire VIN: 4F2YZ04126
The customer has replaced two coils and one computer, aftermarket reman, because number two cylinder coil keeps burning up. We replaced all three coils with Motorcraft on the rear bank and all six plugs. About one minute into starting it the smoke came out o... Trouble codes: P0300
2008 Mazda CX-7 Touring 2.3L battery VIN: JM3ER29318
We have this Mazda that has a 183 milliamp draw,even after letting it sit for an hour.If I unplug the audio unit(stereo)the draw goes down to 36 milliamps.Unplugging the amplifier does not change anything.We looked at this several weeks ago and told customer t...
2005 Mercedes-Benz C230 Kompressor 1.8L Eis VIN: WDBRF40JX5
Customer stated key will not turn. Had purchased key year ago. She called the dealer and they told her over phone EIS switch must be bad,,800-$1000. Ive been working on these cars for a solid ten years now and can not ever remember having to replace the EIS sw...
2000 Nissan Frontier SE 3.3L Poor Idle Quality, Hesitation, Surge VIN: 1N6ED26Y6Y
Hi everyone long time helper first time asker of help. OK so what i have is a 00 Nissan frontier 4x4 with MANUAL trans, and when the truck is put in gear no matter what gear it is any of them the idle jumps to [...] and stays there until you pull it back ou...
2000 Saturn SL1 1.9L No 2nd 3rd VIN: 1G8ZG5283Y
Hello everyone and thanks for the input on this manual transmission Saturn SL. The vehicle came to us and the customer is unable to get the shifter to engage 2nd and 3rd or reverse. You can clutch and get the shifter to pull down but won't grab the gears and a...
1997 Toyota Camry CE 2.2L No Start VIN: 4T1BG22K0V
engine turns over no start till i touch accelerator pedal then will start right up checked fuel pressure ok checked vacumm leaks none found intake air tube is taped up because of cracks right at throttle body does not seem to be leaking air there sprayed carb ...
1994 Volvo 960 2.9L High rpm shifts VIN: YV1KW9500R
Hello and thanks for your help. I have no codes but the transmission shifts like it is full throttle. It will shift into all gears just at high rpm. I have tps signal at tcm and also have signal from speedo. I am pulling out hair on this one. any help is great...
1999 Volvo C70 2.4L Starting VIN: YV1NC56D0X
Vehicle towed in a couple of weeks ago for a no crank. Checked all fuses and had the starter replaced do to failing hammer test. Did not start after replacement so tried with new relay and ign. switch. still no crank. Relay has 12v key on pin 30 and 12v at pin...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 BMW 325Ci 2.5L Shifting VIN: WBABN33472
Thanks to all who took time to give their thoughts. Cedric from louisianna was correct in his suggestions. The solenoid values were within range. I finally obtained a TCM and this immedietly resolved the problem. It repeats through many a forum, the many inter...
2005 BMW 325i 2.5L Unknown VIN: WBAAZ33475
I just want to thank everybody after a lot of time and hard work I was finally able to discover the problem. It was the ambient temp sensor it was very difficult because the car did not have the part it goes under the left front lower bumper. I found to short ...
2007 Cadillac Escalade 6.2L Unknown VIN: 1GYFK63827
Thanks to all that replied, those who stated it was a hydraulic problem were correct. Disassembled valve body and found the #1 check ball half the size of other check balls, it was wedged in separator plate. Plastic check balls, maybe not a good idea. After re...
1992 Chevrolet S10 4.3L shifting in to 1st VIN: 1GCCS14Z4N
Well this bad boy is fixed.After taking another look at the slave cylinder it was moving but I guess it wasn't pushing all the way out.As most of you said the clutch wasn't fully engaging and this was causing the hard first gear shift.I did end up replacing th...
2002 Chevrolet Astro LS 4.3L Door Locks VIN: 1GNEL19X62
install & re-program the new BCM , test drove the vehicle & its all good
2002 Chevrolet Tahoe LS 5.3L Mode Door VIN: 1GNEK13Z52
I would like to thank everyone for their quick responce on my headache.Sometime the simplest thing can be the biggest nightmare.I want to thank Michael [...] especially for taking time out on a Sunday to explain how the system works.I want to thank all my B...
2001 Chrysler Town & Country LX 3.3L fuel gauge VIN: 2C4GP44311
Most replies were for the sending unit and the tank bottom being out of shape. Tank was fine, pulled sender out and checked the voltage at the bcm while moving the arm on the sender. Compared it to the new one and were exactly the same, .91V full and 6.06V e...
2006 Chrysler Pacifica Touring 3.5L guages wipers headlights abs VIN: 2A4GM68416
I knew it was a ground problem but I could not find it. I had been over the grounds three times. Problem was there are four ground points at the left front of this vehicle three on the inside front rail below the battery and one on the transaxle in the left fe...
2008 Dodge Avenger SXT 2.4L Power Window VIN: 1B3LC56K68
1998 Ford Mustang 3.8L Stall, MIL Lamp on VIN: 1FAFP4044W
Another one for the record books! This one is fixed! The original problem was a failed fuel pump. I replaced with an aftermarket pump(Autozone) and the aftermarket pump proved to be junk! (Avoid aftermarket if at all possible) Thank you to all members with th... Trouble codes: P1151 (HO2S21 Sensor Indicates Lean), P0304 (Misfire Cylinder 4), P0411 (SAI Indicates Low Flow), P0174 (System lean code bank).
1999 Ford F-350 Super Duty Lariat 5.4L 2nd gear starts VIN: 1FTWF33L8X
Hello, A very sincere thank you to all who helped me. It turned out that we built both transmissions with wrong check ball locations. After 34 years of transmission repairs, I thought that was history, but we are human.
2006 Ford Freestyle Limited 3.0L daytime running lamps taillamps VIN: 1FMDK06196
Found rear L side has 3157 black plastic bulb, R side has 4157 grey plastic bulb. Replaced both with new 3157 bulbs and drove for 3 days. Never blew another fuse, so we give back to customer to drive.
2007 Ford F-250 Super Duty XLT 5.4L MIL Lamp on VIN: 1FTNF20547
Finaly go back to the truck. Started back at square one. After cutting wire near pcm, the wire still had voltage on it. Unhooked sensor voltage, went up (with key on) sometimes to 9 volts. Tech pulled intake, opened loom, finaly found coolant inside loom side ... Trouble codes: P0132 (O2 B1S1 circuit high voltage), P0172 (rich B1).
2006 GMC Envoy XL SLT 4.2L Unknown VIN: 1GKES16S16
2007 Hummer H3 3.7L chime VIN: 5GTDN13E57
I believe Dave is right about the radio. We could not get some of the controls to work properly & could not get it to program certain things. After discussing it with the customer, he suddenly remembered that the radio did not always work correctly & had iss...
2001 Hyundai Santa Fe GLS 2.7L No drive any gear VIN: KM8SC83D51
Hello everyone and thanks for the help on this one. I pulled a tranny cooler hose off this thing and started the engine...absolutely no pump out put at all. Believe it or not, a Hyundai remanufactured transmission was a great deal. We installed it and down ...
2002 Jeep Liberty Limited 3.7L engine VIN: 1J4GL58K32
Thanks to all. I pulled the other head and sure enough it was leaking. I reconditioned the head and put it back on and the motor runs cool now. Thanks again
2003 Jeep Grand Cherokee Laredo 4.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1J4GW48S63
After running through all of the info that I received from all of my fellow techs I replaced the pcm & that took care of the problem.Thank all of you very much,Bill [...] Automotive Trouble codes: P0301 (1 misfire), P0306 (6 Misfire).
2004 Kia Sorento EX 3.5L Misfire, MIL Lamp on VIN: KNDJD73394
Well, after all is said and done the Kia from hell is running. Since we last spoke we found two coils shorted, a bad ecm, a shorted misfire sensor but still after replacement no spark on coil number three. We could however make it spark by manually tapping... Trouble codes: P0305 (Missfire detected cyl 5).
2005 Mazda RX-8 1.3L outlet tem VIN: JM1FE17N75
Ok, I'm going to call this closed with fix, even tho I havent fixed it "YET". After checking inlet and outlet hoses to heater core and found 30 degrees difference, I used a coolant system flusher and back flushed the heater core then front flushed the heater c...
2007 Mercedes-Benz GL450 4.6L No Start VIN: 4JGBF71E17
was not able to verify if it was bad ignition switch or computer
2007 Nissan Altima S 2.5L Hesitation VIN: 1N4AL21E07
Thanks for the replies. I sent this one to the dealer and the correct fix was the transmission fluid! I was told, and I confirmed that the transmission shop had installed ATF instead of CVT fluid in the unit. The CVT fluid is designed to run at much higher ...
2005 Saab 9-3 Linear 2.0L MIL Lamp on, Multiple cyl misfire VIN: YS3FB49S25
FIRST THANK YOU TO ALL THAT REPLIED. I HAVE EXHAUSTED ALL AVENUES AND I HAVE SENT THE VEHICLE TO THE DEALER I WILL POST THE ACTUAL FIX IF EVER I FIND OUT WHAT IT IS. Trouble codes: P0300 (Multiple cyl. Misfire), P0325 (Knock sensor 1 circuit bank 1 or single sensor circuit malfunction), P1312 (Ionization signals implausible/ sooted spark plugs).
2000 Toyota Avalon XL 3.0L Misfire, MIL Lamp on VIN: 4T1BF28B5Y
I finally have this one fixed. The fix was to change the oil and use sea foam in conjunction with the new oil. I believe that the oil was not changed for too long of a period and it gummed up the insides of the engine. The sea foam cleaned the gunk out the ... Trouble codes: P0306 (6 missfire).
2004 Toyota Celica GTS 1.8L MIL Lamp on VIN: JTDDY32T34
Well customer has needed the vehicle and have not tested anything yet since he took it when he brings back i will update post. Trouble codes: P2441.
2007 Toyota 4Runner SR5 4.0L 4 wheel drive VIN: JTEBU14R77
After replacement of the transfer case shift motor, the transfer case control module uses four signal input grounds. The four wheel drive switch, transfer case module, and transfer case motor were all "out of time." I had to manually set the positions to do ...
2006 Volkswagen Jetta GLI 2.0L MIL Lamp on VIN: 3VWXJ71K56
I have not yet fixed this car, and I still need help. What I really don't understand is that it consistently sets the lean code when the long term fuel trim is at around 4% and short term around 7%. In fact, I've never seen the long term go over 4%. I did try... Trouble codes: P0171.
2003 Volvo C70 2.4L radiator VIN: 1V1NC62D53
thanks for all the great repleys,took the radiator out the bottom,put new quick disconecks in,left the ac condencer in hung it up with a tie to keep it out of the way,the fan shroud was the hardest part,for me, next one will be easy the second time...
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