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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 2, 2011
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Help Request Answers
2002 Acura RL Premium 3.5L ABS Module VIN: JH4KA96542
So we are at the point where we are chasing this code 98 that is stored as a hard fault in the ABS/VSA module. There are 2 modules, the ABS/VSA Modulator which is at the abs block and then there is the ABS/VSA converter module which is under the dashboard. We...
2000 Audi A6 Quattro 2.7L Radio VIN: WAUED24B9Y
Hi there,im looking for a radio code for this audi, radio serial# [...], dealer wants to charge me 70 bucks to give out radio code . Thanks in advance
2002 Audi A6 3.0L all VIN: WAUJT64BX2
The transmission was rebuilt at 100000 miles. since then the car still cuts off when pushing gas every time. in the begging the first couple of gears are not smooth and the car jerks when give gas. when the car is up to speed it is alright around 50MPH and up....
2004 BMW X5 4.4i 4.4L Suspension VIN: 5UXFA93534
Need susp code definitions. Have code 13, 2, and 0,0 from our Launch scanner. Customer bought this (used car) a few months back. It Always had a slight lean to r.rear after parked a while. Last week, L/rear was down and 'susp system inactive' we replaced 2 bag...
2005 BMW 545i 4.4L No Start, Cuts out, Stall VIN: WBANB33575
Good morning , i have a 2005 545i that i aquired from another shop. The complaint was the vehicle would intermittently die and intermittently not restart or crank. When no crank happened there was no comm with dme, abs, egs, and everything else on that can bus... Trouble codes: A0B0
2000 Cadillac DeVille 4.6L Ducts VIN: 1G6KD54Y53
I need some help. Car came in with rear a/c out of console heat only will not go cold. Both front pass & driver are cold. My MODIS would not let me get any body codes. I was able to read rear control. The switches in it show to be working. Where is the actuato...
2005 Cadillac CTS 3.6L Misfire VIN: 1G6DP56745
I need to remove or reposition intake manifold to get to the spark plugs & coils. Alldata states not to separate the upper from the lower manifold. My concern is am i going to separate the manifolds by removing the six bolts from the top manifold. I guess i ne... Trouble codes: P0300, P0303 (Misfire 3 cylinder)
1989 Chevrolet K3500 Silverado 7.4L Hesitation VIN: 2GCHK39N5K
this engine hesitates and pings under load hot . cyl 1 and cyl 3 plug wires burn where wires connect to metal end at spark plug end and burn through boots . changed wires and plugs and again same thing . i believe there is to much resistance in firing plugs li...
2001 Chevrolet Cavalier LS 2.2L MIL Lamp on VIN: 1G1JC12411
Hi i have a 01 caviler with code p0440 coming back all the time,we have replaces the vent valve and gas cap.with tech 2 we can actuate both vent valve and purge valve,vent clicks on and off purge cycles on and off continuous,have used smoke machine to try to f... Trouble codes: 0440 (Evap system)
2002 Chevrolet Trailblazer LS 4.2L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire VIN: 1GNDT13SX2
HELLO techs , have this trail blazer here it only act up when run for hour or more got it to act up and am out of ideas HAS no power will not excellerate at all, runs fine until wants to act up EVERY unpredicable. Tested back presure on exhaust for plugged cat...
2007 Chevrolet Silverado 1500 LS 4.8L ses light on VIN: 1GCEC19X17
the truck came in with a service engine soon light , i hooked up my scanner to start the diagnosis and i got "no communication" to module. the last time this truck was in the shop the other tech said he could only get communication on the global side of the pc...
2008 Chrysler Crossfire Limited 3.2L Tire pressure light VIN: 1C3AN65L65
Installed 2 new TPMS sensors, all 4 sensors reading good. Need to get car into learn mode to retrain new sensors. Alldata talks about using DIC display, this car does not have this. Alldata also talks about driving for 20 miles, this not working either, car ha...
2008 Dodge Charger R/T 5.7L a/c performance VIN: 2B3KA43H38
Once vehicle runs for 10 minutes at idle you can only get 75 degrees from vents and all pressures are correct. All associated items are operating to specification, local dealership has ran their tests as well and say it is meeting dodge specs too. Has anyone h...
1997 Ford Mustang GT 4.6L Cuts out VIN: 1FALP45X7V
Gentelmen, This Mustang has a distinct ignition cut out at around 40mph under cruise condition. It always runs good under load and decel. The tach shows that the engine stumbles when it occurs, it drops and then comes right back. I have changed the crank senso... Trouble codes: P0320 (Loss of ignition)
1999 Ford F-250 5.4L Hesitation, Cuts out VIN: 1FTNX21L5X
On tip in accel this thing is cutting out... I have found that when wathcing the VSS on the scan data for the PCM it is showing over 100 mph causing it to cut out. Once you get above 12-15 mph it will come out of it and run perfectly fine. The Rear Diff Speed ...
2001 Ford Mustang GT 4.6L No Start VIN: 1FAFP45X91
Customer states that car will crank and not start at times. It will sometimes start when key is released. I suspect a componenet is shorting out the communication lines causing the no start. I am looking for advise on how to pinpoint the cause. Trouble codes: B1869 (in GEM SRS lamp circuit), U1262 (in ABS SCP fault), B1681 (in Cluster), C1284 (in clustet), U1262 (in ABS SCP fault), U1043 (in cluster)
2005 Ford Five Hundred SE 3.0L Shifter VIN: 1FALP27185
Customer says that car will sometimes not come out of park. ***we could not duplicate problem*** the shift interlock system has worked each time we tried. Thank you for your time, joe.
2005 Ford E-150 5.4L Excessive Emissions, MIL Lamp on VIN: 1FTNS24L85
Hello everyone: This E-250 van runs rich always. Codes P0172-P0175 are present. Fuel pressure reads 40 psi on scanner PID for Fuel rail pressure. Our fuel gauge reads 42 psi. Alldata says fuel pressure specification is between 25 to 45 psi. As per TSB 05/10/21... Trouble codes: P0172, P0175
2007 Ford Mustang GT 4.6L Wont set monitors VIN: 1ZVHT85H17
Good morning iatn techs. This one is for you high performance techs out there. This mustang came in a few weeks ago complaining about a bucking when mashing on the go pedal. He wanted us to change out the spark plugs. Well we found that the maf sensor was bad ...
2008 Ford Crown Victoria Police Interceptor 4.6L instrument cluster VIN: 2FAHP71V88
i have a police car that runs fine but once and a while all the lights on the cluster light up like a christmas tree. and cannot get into pcm or abs or lcm modules when the lights are on.when the lights are off i can get into these modules many codes u1041,u10...
2004 GMC Yukon XL 1500 SLT 5.3L rear wheel sensor? VIN: 3GKEC16G04
This 04 Yukon had been experiencing an ABS light on at times. Scan showed C0045 code- left rear wheel speed sensor. I used 2 scan tools to get this code- Mastertech and AE. When going to the data list both only show speed readings for L front,r front and only ...
1996 Honda Accord EX 2.2L gas smell VIN: 1HGCD5632T
strong smell of gas. both fresh and old gas smell, in engine and passenger compartment. no gas leaks found, no evap leaks found. does not matter if the a/c is on or not.
2003 Honda CR-V LX 2.4L MIL Lamp on VIN: SHSRD77833
finally replaced, and after approximately 250 miles, MIL lamp came back on , but O2 sensors are both working fine. I cleared the code, and will monitor it this week. What is the norm for this vehicle considering mileage etc.Will I need to plan to get a cat con... Trouble codes: P0420
2003 Honda Civic Hybrid 1.3L Battery VIN: JHMES96663
Car starting battery goes dead in 3-5hrs, found a 80ma draw on fuse #9 acts like it is not going into sleep mode, i have replaced a couple fuse box multiplexers on a couple of honda's and acura's for door lock issues but never for a draw. Has anybody seen this...
2004 Honda Civic EX 1.7L Misfire, MIL Lamp on VIN: 2HGES16324
Car came in with cel on found #3 cylinder misfire. Traced to leaking injector. Replaced injector and customer drove for a week. Customer called and said you got it it's fixed! Well the car has come back and still has #3 misfire. compression test good. Leak dow... Trouble codes: P0303
1996 Jaguar XJS 2 2 4.0L keyless entry/locks VIN: SAJNX2740T
The car intermittently will, when locked, begin making a beeping noise followed by the alarm going off. Unlocking stops the alarm, but makes it hard to lock. It will also do this with the key locking function. At other times, it will unlock after each locking ...
1996 Jaguar XJS 2 2 4.0L No Start VIN: SAJNX2740T
I went to the car with some tools and quickly established that, once again, I had no fuel pressure. While it was still at the curbside, I was wiggling and tapping on the inertia switch and going to the key switch to try to start it when it started, and ran wel...
2001 Jeep Grand Cherokee Limited 4.7L Misfire, MIL Lamp on VIN: 1J4GW58N91
good inj. Pulse when missing also has spark when missing. We have checked lifters they seem ok not collapsed however the problem will disapear, after it runs a minute and sometimes it won't appear the next day when cold but then reappear later on cold start th... Trouble codes: P0303 (Misfire3 cylinder)
2002 Jeep Liberty Sport 3.7L Cuts out, MIL Lamp on VIN: 1J4GK58K12
hear is what happen,THIS JEEP CAME in with a blown engine,it had been run hot.it is a 02 jeep libirty,we had a block for a 05 and cylinder heads that was in great shape.the tec took the 05 block apart and compaired it with the 02 engine,the only thing we saw w... Trouble codes: P0351, P0352, P0354, P0353, P0355
2009 Jeep Patriot Sport 2.0L engine VIN: 1J8FT28A59
Dealer towed into our shop for diagnosis. Vehicle goes into limited power mode and stores 2 codes. P0700 Transmission fault, and U1146 lost communication with external memory. Usually when a p0700 is stored there is an another code stored on the tranmission si...
2006 Kia Sedona EX 3.8L Surge, Misfire, MIL Lamp on VIN: KNDMB233X6
Long Post - Long story Complaint was Mil on blinks at times, vibrates at Idle and surging when driving. A parts place pulled codes P0300, P0301, P0303, P0011, P0012. Another shop had just replaced variable valve oil control solenoid valves for these a couple d... Trouble codes: P0300 (P0011- Camshaft over advanced history), P0011 (Camshaft over advanced history), P0012 (Camshaft over retarded history)
2005 Lexus GX470 4.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: JTJBT20X85
The vehicle ran great for 150 plus miles before it came in with the missfire problems it has now. I smoke tested the intake system and found no vacuum leaks. I replaced all the spark plugs and swapped in a new coil, still has miss fire. I have injector pulse. ... Trouble codes: P0300 (Random missfire), P0302 (2 missfire), P0306 (6 missfire), P0308 (8 missfire)
2009 Lexus LS460 4.6L heater controls VIN: F495000142
The auto temp control setting on car will not come on automatically. the controls could be set for auto climate control now the customer has to manually work the controls to get it set to Auto temp control. Even the dealer can not set it. any suggestion on how...
2002 Mazda Millenia S 2.3L No Start VIN: JM1TA22282
Anyone want a car - cheap? Came in on the flatbed. Customer stated was in stop and go traffic and just died. No desire to start, pop, etc with starting fluid. Spark (COP) strong 1/2" gap. Connected timing light - #1 cylinder (rear bank frt cyl) firing approx 9...
2005 Mazda Tribute i 2.3L Poor Idle Quality, Surge VIN: 4F2YZ02Z45
Hello gang, Hoping to get some direction with this one. Vehicle came to us barely running. Found crank gear slipped, bent a couple of valves. We sent the head out for a valve job, replaced chain, tensioner, guides, pulley and bolt. We replaced the intake abo...
2000 Mercedes-Benz S430 4.3L Front Right Shock VIN: WDBNG70J1Y
This S430 came in with airmatic problem. I tried to actuate using Launch 431 and got nothing. Compressor sounded weak and laboring so I replaced it (Compressor was physically damaged and the hose from filter was torn to shreds) . Now things got better but the ...
2003 Mini Cooper 1.6L steering pump fan VIN: WMWRC33422
Power Steering Cooling Fan does not work. operates if taken off and 12V and ground supplied. No power at fan connector. Fuse 5 which I "think" supplies power to this fan does not have power to it. Diagrams are not clear (to me). I dont even find wire colors. U...
2001 Nissan Altima GXE 2.4L Crank No Start VIN: 1N4DLO1D61
I have a tow in from another shop crank no start,ecm dtc p1612, p1610 (nats) problem. My question is will the security system shut down the ign. system along with reducing inj. pulse? The information i have states inj pulse below 1 ms and security lamp on ecm ...
2001 Subaru Forester 2.5L abs VIN: JF1SF65672
codes 21, 25, and 41. tested sensors, they check with proper resistance and do fluctuate when wheels turned. checked abs rings, they check ok. checked ground for system, found good. cleared codes test drove vehicle. codes did not return. customer brought vehic...
2004 Toyota Sienna XLE 3.3L right rear brake pads VIN: 5TDBA22C94
Right rear brake pads wore out in 3000 miles. Original Brake Service - Slight restriction was felt when pushing piston in so after normal tests (opening bleeder & cracking open line), determined outer brake hose was bad. Replaced it, all pads & machined rotors...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Audi A4 Quattro 3.0L Poor Idle Quality, Stall, Misfire, Poor Fuel Economy, MIL Lamp on VIN: WAULT68E62
Found #34 engine mgmt fuse blown, eventually found an intermitant short in the o2s11 heater. Replaced that o2 sensor and the car is running great. That #34 fuse will shut down all of those systems. Trouble codes: P0030, P0037, P0050, P0057, P0141, P0161.
2003 Audi A4 1.8L Mechanical VIN: WAULC68E23
Thanks for all the replies, I took a gamble and changed all five litters on the #1 cylinder since the valve springs that were hard to see looked good. The litters were inexpensive. As a precaution, we verified oil pressure, it stayed under 70psi, so it wasn't...
2003 BMW 325xi 2.5L Cmashaft Timing VIN: WBAEU33423
The smoking problem was a valve for the pcv system causing this thanks for the help. the code 65 we had to order a new plate for the vanos system
1999 Chevrolet S10 4.3L No Start VIN: 1GNDT13WOX
I apologize to all that this was not closed sooner. Most of you were correct. We found a broken wire at the crank sensor harness. Thanks for all the help. Trouble codes: P0336, P0339.
2002 Chevrolet Avalanche 1500 Z71 5.3L MIL Lamp on VIN: 3GNEK13T42
hello-the avalanche fix was a new pcm. there was no 5v feed out from the pcm to the tank pressure sensor. sent customer to the dealer for a flashed pcm and both codes are history. thanks to all who helped. Trouble codes: P0449 (Evaporative emission vent solenoid control circuit), P0452 (Fuel tank pressure sensor low voltage).
2005 Chevrolet Express 3500 6.0L Reverse VIN: 1GBJG31U95
Based on so many replies to replace the trans that is what we did. Van shifts great and reverse is perfect. Thanks for all the replies
2005 Chevrolet Silverado 2500 HD 6.0L air conditioning VIN: 1GCHC23UO5
Sorry guys that it took so long to close my request but i wanted to make sure that the problem was fixed.First of all thank you all for your professional help and you guys know who you are.After driving the truck for about an hour or so it finally went from co...
2005 Chrysler Pacifica 3.8L blower motor VIN: 092Q485094
i replaced the resistor with a new one aftermarket and found still no change. recheck diag still came up with resistor being bad. bought a oem dealer resistor and all works well.
1990 Ford E-250 Econoline XL 5.8L No Start, Hesitation, Cuts out, Stall, Poor Fuel Economy VIN: IFTFE24H2L
sorry about the delay crazy busy.it was the power relay i took it out of the cover and it was hot so i took my small screw driver and tapped on it and the truck went into convulsions so i replaced it as well as the fuel pump relay and all is well
1996 Ford E-350 Econoline 7.3L No Start VIN: 1FDJE37F7T
Wow, did I ever learn alot here. First off, I had already located the ICP sensor which I thought was the EBP sensor. I was identifying them by wire colors and I am a bit color blind. So what I was really looking for was the EBP sensor. And when I did find it, ...
1997 Ford F-150 4.2L No Start VIN: 1FTDF1728V
Mahalo iATN members for all the replies. It came down to checking power and grounds at the pcm, which were all ok, then a little trick I learned here was to unplug all 5vref sensors in case one was shorted causing pcm to be "brain dead" I did this and no chang...
2002 Ford Focus SE 2.0L valve lifter VIN: 1FAFP33P62
Poor machine work removed head found valve seat cracked and sunk into head,had machine shop redo head runs fine
2002 Ford F-450 Super Duty XL 7.3L Pto VIN: 1FM25R4V12
this one is fix the transmission sprag was install the wrong way we got new one install it RIGHT and now it work fine thanks to all that reply
2003 Ford Expedition XLT 5.4L Mechanical VIN: IFMPU16LX3
well it turns out that it was the low side fitting leaking. I put dye in system had the customer drive for a week and when he returned the low side fitting was it. Ford had the hose in stock. Thanks for all the help
2008 Ford F-150 XLT 5.4L Vct VIN: 1FTPX14578
Thanks for all the replies, Everyone responded to replace engine which is what I was expecting. I have estimated job to customer but truck still here and I'm waiting for approval. Again thanks for all help Craig [...] Pittsford Automotive
2008 Ford Crown Victoria Police Interceptor 4.6L No Start, Poor Idle Quality, Surge, Stall, MIL Lamp on VIN: 2FAHP71V08
well itturnout to be the fuel pressure sensor on the rail it only saw 1 psi when running so it comanded the pump to increase fuel pressure replaced sensor problem go thanks for all the help Trouble codes: P2196, P2198.
2001 GMC Jimmy SLS 4.3L tranfer case VIN: 1GKCT18W11
Ok so I stayed late friday night and replaced the module (followed my gut due to unable to flash codes and module was freaking out before switch asembly showed posistion change).Ive called the customer saturday afternoon and again today.he states hes put 200-3...
2006 GMC Sierra 2500 HD SL 6.0L master cylinder VIN: 1GTHC24U76
Thanks for all the help, I replaced the front left & right abs sensors and that fixed the braking issue. The Left was dropping speed faster than the right, but did both at the same time, don't want issues with compatilbilty or the right side to fail. Dave
2007 Honda Civic Si 2.0L MIL Lamp on VIN: 2HGFG21597
Sorry for the delay. I checked everything twice and the customer decided to replace the A/F ratio sensor and the O2 sensor. Once those were replaced the fuel trim went from -20% down to -8%. I did find that the pcv valve was clicking all the time and not just ... Trouble codes: P0172 (System too rich).
1988 Jaguar XJS 5.3L Fuel small VIN: SAJNA5840K
All replies stressed that the fuel tank was the culprit and, sure enough, when I pulled the tank I found a puddle under it that came from a leak. I sent the tank to my go-to guy for tanks & radiators and, oddly enough, he couldn't find the leak by pressurizing...
2005 Mazda RX-8 1.3L Electronic VIN: JM1FE17365
Thanks to all that replied,great info from great techs! Removed the control head and ohmed it out and sure enough it glitched on the sweep. Replaced the control head and had no more problems.Sorry it took so long to get back ,thanks again.
2005 Mazda 6 i 2.3L seat belt VIN: 1YVFP80C25
Thanks for all the good replies. I found the connector under drivers seat was loose causing intermittent connection. And yes I believe SRS module was sending crash info to pcm... Thanks
1997 Saturn SW1 1.9L starter VIN: 1G8ZH8283V
Thanks to all that replied. Checked everything i possibly could and had no success,no loose connections,no melted wires,no relay issues,and the car never acts up,never looses power to radio or fuel pump. Cant even get it to reproduce the original problem,car s...
1996 Suzuki Sidekick JX Sport 1.8L Poor Idle Quality
thanks everyone for reply's seems you were all right. Found another good MAF and changed it runs good now. You Get what you pay for I guess. Trouble codes: P0102.
2006 Toyota Avalon XLS 3.5L Ac VIN: 4T1BK36BX6
we swapped the chutch and horn relays and the customer has not returned. i assume that was the problem.
2001 Volkswagen Beetle GLS 2.0L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3VWCB21C21
Thanks to all who replied. We have fixed this one with the help of our local dealer! The computer required a reflash after the replacement of the ignition module. Man I hate German cars!Hitlers revenge strikes again!!!1 Trouble codes: P0300 (Random/multiple Cyl. misfire detected), P0301 (Cyl. 1 misfire), P0135 (02 Sensor B1 S1 heating circuit malfunction), P1113 (02 Sensor B1 S1 internal resistance too high intermittent).
2001 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSC29M31
for some reason if i try to run the test individually with basic setting 077 it won't pass but if i run through the readiness sequence the secondary air will pass there. i've been road testing this car for days and no code is returning so i think it was defini... Trouble codes: P1424 (Secondary Air Injection System Bank 1 Leak Detected).
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