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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for August 7, 2013
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
2004 Acura TSX 2.4L Excessive Emissions, Misfire, MIL Lamp on VIN: JH4CL96884
Came in as Misfiring and check engine light flashing at idle; DTC P0302 only; PID shows only # 2 Misfire at Idle and disappears at higher RPMs; almost stalls when shift to Drive but when driving over 30km cant even feel the misfire and PID misfire also disappe... Trouble codes: P0302
1996 Audi A4 Quattro 2.8L compressor VIN: WAUEA88D2T
Customer brought Audi with complaint of AC not working. System empty, we recharged. Still no power to compressor. It has climate control system, has codes as follows. 00792- AC pressure switch F129, open or short. 01297 Sensor for vent temp footwell contro...
2001 BMW 740iL 4.4L radio VIN: WBAGH83481
After replacing the alternator in this vehicle I lost the display on the radio. Is there some trick to getting it to work or, is there anyone who can repair the radio?
2006 BMW 525xi 3.0L Unknown VIN: WBANF33546
I got this BMW water coming out the front vents, remove the drain tube its clear not clogged , check the transmission cable its fine & not in the way& start the car a/c on high drain tube disconnected , no water drips out the housing both sides, i dont to take...
1999 Chevrolet Silverado 2500 6.0L Poor Idle Quality VIN: 1GCFC29U6X
Pickup came in for a hard start and rough running. Checked fuel pressure regulator first thing (and many times since) clean and dry. Found fuel pressure bleeding off and slow to build fuel pressure, replaced pump. Hard start problem solved. Sometimes when star...
2003 Chevrolet Suburban 1500 LS 5.3L App-Tps VIN: 3GNFK16Z43
App sensor 1 and 2 are close to being the same...at times up to 5% difference...whats the allowed range
2005 Chevrolet Malibu 2.2L Cuts out, Misfire VIN: 1G1ZS52F85
Vehicle idles smooth, has lack of power accelerating (no misfires) until 4000 rpm where it wont rev any higher and cuts out randomly misfiring on all cylinders. CEL starts flashing catalyst damaging until you let off throttle and light goes off and car returns... Trouble codes: P0300 (Multiple random missfire)
2006 Chevrolet Silverado 1500 HD LT 6.0L Transmission? VIN: 1GCGK13U86
Customer complained of no reverse at times, and wouldn't hold in park. Transmmission linkage externally looks good. On a test drive I noticed that when I put it in reverse I heard a kind of stripping,ratcheting noise and no reverse, I then tried Park and it di...
2007 Chevrolet Trailblazer SS 6.0L Stability VIN: 1GNET13H47
I can now make the problem happen by entering the freeway on a circular on ramp and accelerating. The stability light will flash and you can feel the right brakes being applied. Recorded data doesn't appear out of range with respect to steering angle sensor an...
2002 Chrysler 300M 3.5L AC belt VIN: 2C3HE66G52
This is a very well taken care of 300m It keeps comming back with the AC belt falling off. We put a new tensioner pulley on. Checked the crank pulley bolt. Tried Goodyear belt and AC delco belt. This morning its still on but flipped upside down. We checked the...
2003 Chrysler 300M 3.5L in limp mode VIN: 2C3AE66G73
Have 300m with code p1684 battery disconnected and tranny going in limp mode as soon engine is started.Have checked voltage drop to all powers and grounds found all within spec.Battery was replaced for been defective.when sw.is on pcm has tcm relay energized a...
2004 Chrysler Crossfire 3.2L Bas/esp VIN: 1C3AN69L64
The brake pressure sensor was replaced, BAS/ESP light off for a week. Customer returned light on again. Trouble code 1141 is present and light is on. Mitchel has no operating parameters listed. Does anyone know where sensor(s) are supposed to be. As it sits Wi...
2001 Dodge Ram 2500 5.9L bent push rod VIN: 3B7KF26Z61
Replaced cracked cyl. heads with new heads from machine shop. They transferred parts from old head and replaced 4 exhaust valves. After 2 days truck came back with push rod on #3 cyl. exhaust valve pushed through rocker arm. inspected valve spring, rocker arm,...
1992 Ford Taurus L 3.0L Poor Idle Quality, Hesitation, Surge, MIL Lamp on VIN: 1FACP55U5N
This car belongs to a very nice customer of ours and has recently had it stolen only to be returned to him in terrible condition. We've had the luxury of having it with us now for a couple weeks and i can tell you I'm a little stumped. All i got was it was run... Trouble codes: 172 (176 -), 176 (326 -), 326 (testing and results)
2000 Ford E-350 Econoline Club Wagon Custom 7.3L Power Door Locks VIN: 1FTSS34F4Y
Hello Everyone, I have a vehicle where the door locks go inoperative when you close the side hinge door. Then the lock cannot be operated by any switches or key remote. You can then open the passenger door hit the key remote button unlock twice then the power ...
2002 Ford Focus SVT 2.0L cylinder head replaced VIN: 3FAHP39572
a compession test showed that all cylinders were at 75 psi.cams are alligened and crank is in place with the propper otc cam and crank tools, valve lash was checked and at spec.what am i over looking?
2003 Ford E-250 5.4L cranks but won't start VIN: 1FDPE24L23
I have a Ford Econoline van that has had trouble starting. At first the fuse for the PCM kept blowing changed and reflashed it. Still kept blowing. Found that the o2 sensor was sticking to exhaust. Changed it, started right up. Now customer brought back becaus...
2003 Ford F-350 Super Duty Lariat 6.8L Misfire VIN: 1FTWW32S53
Vehicle came in about 2 weeks ago with misfires on cylinders 5 and 8 check for spark and injector pulse it all turned good compression and at all. Look at spark plugs a little worn out put new ones but mis was still there. So pull the injectors out and crank e... Trouble codes: P0305 (Cylinder 5 misfire), P0316 (Misfire detected first 1000 revolutions)
2004 Ford Focus ZX3 2.0L Poor Idle Quality, Hesitation, Cuts out, Will not accelerate VIN: 3FAFP31334
A customer recently bought this car. He said it lacked power when he bought it. Now, within a month of buying it it will not accelerate at all. It will slowly rev up in neutral, but will not accept any fuel in gear. I have so far replaced the MAF, TPS, ignitio...
2005 Ford F-150 FX4 5.4L timing chain VIN: 1FTPX14595
This vehical came in with what sounded like lifters tapping upon further checking found that timimng chain was loosing tention.Spoke with ford and was told this is a common problem ended up replacing cam phasers both tensioners,chains,guides only to have the s...
2007 Ford Edge SEL 3.5L Rattle Noise VIN: 2FMDK49C47
Thank You in advance for the help. This vehicle has a very brief rattle noise in engine on cold start up, after overnight cold soak it will last 1-2 sec. after 4 hours cold soak it may or may not make noise, if so 1/2 - 1 sec. It sounds like timing chain noise...
2005 GMC Sierra 2500 HD SLE 8.1L timing chain VIN: 1GTHK23G95
Need help from GM guys, this 8100 is getting a complete rebuild and we were installing the timing chain and new gears but when there installed there's a tremendous amount of slack compared to other previous engines. this is a roller type chain kinda beefy, was...
2005 Honda Odyssey EX 3.5L Compressor VIN: 5FNRL38655
Vehicle had the condenser, and radiator, replaced after hitting a deer. Body shop replaced components and mobile A/C service charged system. Three days later compressor is seized and clutch is fried. The same guys look into the issue, they say system had no de...
2006 Hyundai Tiburon GT 2.7L Starting VIN: KMHHN65F76
This car had a jump box hooked up backwards. The alternator fuse at the battery blew. The car will start if the starter relay is jumped. I have power from the ignition switch to the burglar alarm relay at both terminals. The relay seems to be losing ground whe...
2006 Infiniti M35 X 3.5L Ignition VIN: JNKAY01F36
Vehicle was brought to our shop from a body shop. Vehicle was in minor accident, replaced left fender and door. Customer drove vehicle in, came to me on a flat bed. Key remote works to unlock doors, but nothing on dash lights up. Place key in ignition no diffe...
1996 Jaguar XJ6 4.0L refrigeration VIN: SAJHX1745T
After recharging the system I started the engine and turned the A/C on and checked for compressor function. The compressor was turning so I went for a test drive during which the air coming from all vents in the cabin remained hot. The car had been sitting in ...
2002 Jaguar S-Type 4.0L Battery VIN: SAJDA01P12
Vehicle came into our shop coming from the dealer. Customers concern was that intermittently the battery would go dead. First thing we did was put the vehicle on a charger attempted to fully charge the battery for a load test. Charged the battery overnight. Th...
1999 Jeep Cherokee Sport 4.0L Hesitation, Surge VIN: 1J4FF68S7X
upon cold start, drive down road and vehicle starts to surge/hesitate. steady on throttle and it continues for about a half mile then disappears for the day. needs at least 7 hour sit to reoccur. been going on for about 2 months and does it every day.
2000 Jeep Grand Cherokee Limited 4.7L Hesitation, MIL Lamp on VIN: 1J4GW58N7Y
Customer came in with check engine light on codes p0320 and p0725 and says trans is in limp mode. Customer had installed own cam and crank sensors in past not sure when but used o'reilly's. I mentioned to used Chrysler sensors and he claims he did get his mone... Trouble codes: P0320, P0725
1998 Lincoln Navigator 5.4L Fuel Gauge VIN: 5LMPU28LXW
Has anyone had this same trouble? I am installing the 3rd tank unit in this Lincoln. I have use 2 Delphi units and now am installing a NAPA part. Is there an updated part that will not loose it's float? It wears itself out on the wire and falls off so it alway...
2000 Mazda Millenia 2.3L Hesitation, Cuts out, lacks power VIN: JM1TA222XY
removed charge air cooler for inspection=oil in cooler, internal seals leaking in supercharger. replaced supercharger with used supercharger with 40k on it. vehicle is better but symptoms are still there, does not blow smoke on start up now. code c1118 comes b... Trouble codes: U2021, P1540, C1118
2003 Mercedes-Benz C230 Kompressor 1.8L mirrors VIN: WDBRF40JX3
Hi all inn IATN land. Hope someone out there has had some experience with the remote mirrors on this c230. My I-Scan shows no activity to the module from the mirror switch. SomeData has very little info on this system. I would like to get some voltage specs an...
2000 Mercury Grand Marquis GS 4.6L No Start VIN: 2MEFM74W2Y
Hello this car was towed in as a no start we checked it over and found no communication with the pcm. Checked that pcm has all powers and grounds going to it. Pins 13, 55, and 71 all have power pins 3, 25, 51, 77, and 103 all have ground. grounds have less the...
2002 Nissan Altima 2.5L Poor Fuel Economy VIN: 1N4AL11D82
NO CODES Reading OX sensor .. MY QUESTION IS : INSTALLING A NEW THROTTLE ASSEMBLY))DO I HAVE TO REPROGRAM THE VEHILCE??? Did not find any notes on Alldata, Mitchell etc
2004 Nissan Quest SL 3.5L Bcm VIN: 5N1BV28U94
Replaced ECM with a used unit. I need the PIN code for the NATS. My BCM code is 0c785. Thanks for the help!
2005 Nissan Xterra Off-Road 4.0L Timing chain VIN: 5N1AN08W95
Nissan Techs please read. This vehicle exhibits symptoms since purchase a year ago like those described in Nissan TSB NTB07-42( buzzing/ whining in timing chain area). Is noise just an annoyance, or is what's happening detrimental to the life of the engine? Th...
2006 Nissan Murano SL 3.5L trans fluid in coolant VIN: JN8AZ08TX6
I have read all that was posted on here it all pointed to the cooler in the radiator being bad replaced the radiator with updated one from 1800 radiator flushed the system with spec and span still getting a lot of trans fluid in the radiator in guessing now th...
2002 Pontiac Montana 3.4L No Start VIN: 1GMDX03E82
Hi, we're having trouble with an intermittent no-start on this van. I'd appreciate anyone who can offer some insight into this. The customer says that occasionally the motor will not start, and this can happen at any time. It can be with a cold motor or hot, t...
1999 Porsche Boxster 2.5L Top VIN: WP0CA2981X
The convertible top stops working in up or down positions intermittently. The emergency brake switch light on when problem occur. When starting from top unlock position windows drop down every time. Convertible top switch ohm test testing OK on the bench. Anyo...
1997 Saab 900 SE Turbo 2.0L Compressor VIN: YS3DF35N9V
Came in with no compressor operation. Tested and had voltage to plug leading to compressor, but had noted that someone else had run a hot wire from battery straight to clutch. Tested to find clutch open. Installed new compressor and connected properly to vehic...
2005 Subaru Legacy GT Limited 2.5L Mechanical VIN: 4S3BL67625
Subaru Techs I need some help. We don't see very many of these so I'm just not as sure about engine noises. It came in with a engine rattle/knock and bad miss. We heard the noise and felt the miss. We found the ign coil not bolted up and falling out. Put it ba...
2007 Subaru B9 Tribeca Limited 3.0L MIL Lamp on VIN: 4S4WX82D87
this vehicle has been setting codes p0301, p0303, p0305 about every 3k miles. have changed air fuel ratio sensors and have swapped o2 sensors from side to side. have done smoke test and no vaccum leaks. oil has been changed on scheduale and is running syntheti... Trouble codes: P0301, P0303, P0305
2002 Toyota 4Runner SR5 3.4L Stall VIN: JT3HN86R32
truck came in on tow. started truck up and ran fine. started it up the next day and decided to let it run for awhile and after about 15 minutes it finally did stall on me. it started right up again and it again ran for about another 10 minutes before it stalle...
2002 Toyota Camry SE 2.4L MIL Lamp on VIN: JTDBE32K02
I have lean code po171. My long term fuel trim was a t 28%. I check for a vacuum leak using brake clean and smoke machine. no leaks found. I pinched off brake booster hose with no change to fuel trims. Fuel pressure is at 50psi. within specs. I removed fuel fr... Trouble codes: P0171
2004 Toyota Prius 1.5L hatch / trunk VIN: JTDKB20U44
I am having trouble with the hatch release on this Prius, I can't find any appropriate diagnostic information on it. Here is the issue, the hatch will not release electronically. Actuator is never power from the BCM. If I log into the BCM I can see the soft bu...
2005 Toyota Prius 1.5L No Start VIN: JTDKB20U85
It's against my better judgement to waste a post on this one, but car belongs to a used car lot I do work for so here goes. Prius was damaged in an accident. It was hit on the front driver's side and took a good lick. Body shop took car to electrical repair sh... Trouble codes: P0A3F, P0A40, P0A41
2001 Volkswagen Jetta GLS 1.8L MIL Lamp on VIN: 3VWSC29M91
We got a vw in from a used car dealer. The vehicle was originally equipped with an automatic transmission. It now has a manual 5 speed. The problem is an ecm trouble code: 18034 / P1626 (powertrain data bus missing message from tcu). I am unable to find the pr...
2003 Volkswagen Passat GL 2.8L Brake lights VIN: WVWRH63B63
VW Techs Got this passat and the brake lights are stuck on. Was wondering if there is something in the wiring diagrams I am missing fro alldata. I have the stop lamp switch disconnected and also the wiring connector in the a-pillar disconnected with no change....
2005 Volkswagen Beetle GL 2.0L MIL Lamp on VIN: 3VWBK31C35
Vehicle previously came in with codes 16420(Rear O2 Heater)and 16485(MAF Signal)16555(Fuel Trim Too Lean). Replaced rear O2 sensor and MAF at that time. Those replacement parts took care of above codes but now after the initial repair I keep getting a new code... Trouble codes: 18628 (P2196 - B1S1 Reading Stuck Rich)
2006 Volkswagen Passat 2.0T 2.0L ABS module VIN: WVWAK93C36
I replaced a broken parking brake motor and cleared the codes. Same side parking brake would not apply because of no voltage coming from module. Replaced the parking brake module without doing an auto scan. Now I lost the coding for the parking brake module as...
2001 Volvo S60 2.4T 2.4L battery discharged VIN: YV1RS53DX1
Hi Volvo Techs, We have a 2001 s60 here that has a battery drain over night. Battery tested good when vehicle arrived after jump start and driven in. Found pulsing .745-.865 volt parasitic draw and could hear steady clicking sound from inside r.f. door with k...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Audi S4 Avant 4.2L Lighting VIN: WAUPL68E74
Turns out the OnStar control module under the right front seat was bad. (ala Darrell from Oregon) new module $2300.00. spoke to Autologic for second opinion and agreed to remove it. Did just that and all Ok at this time...THANKS FOR YOUR TIME!!
1998 BMW M3 3.2L monitors not complet VIN: WBSCD9324W
Thanks for all the replies. 3 more drive cycles and the o2 heater and secondary air ran and passed. Only evap has not yet ran. Thanks to Michael,Alan and Cedric for their specific input. We had already monitored data stream and saw nothing that looked out of ...
2005 Buick LaCrosse CXS 3.6L Engine VIN: 2G4WE53775
We have a fix. And the winner or shall I say the loser is...the thermostat. Will fill you in on the details. After questioning the customer a second time, more info was revealed. Apparently the customer purchased the thermostat from The Twilight "Zone", tha...
2002 Chevrolet Impala 3.4L bcm VIN: 2G1WF52E12
First I want to thank all of you for the prompt and numerous replies. The cust. is disabled and doesn't have a lot of money. So I tried ,as I'm sure many of you do, to keep the repair within his budget. I Had a friend of my son who is a tech at a local GM deal...
2006 Chevrolet Cobalt SS 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1G1AP11P56
Cleaned throttle body and ck for vaccum leaks with no luck. customer needed car back and has not returned. Trouble codes: P0069, P0121 (TPS sensor 1 perf.), P1101 (Intake air flow system perf), P1182 (Superchager Inlet sensor perf), P0068 (Throttle Body Airflow perf).
2009 Chevrolet Silverado 1500 WT 4.3L fuel gauge VIN: 1GCEC19X09
When i pulled the pump and looked at the float sensor i could see that one of the wiping metal tangs that swipe the coil of wire was not even there. I looked for it in the tank but couldn't find it. Ordered another float level sensor instead of the whole pump ...
2003 Dodge Ram 1500 Laramie 4.7L No Start VIN: 1D7HU18N73
First thanks for the input. Finally got the full story on this truck. Did origanaly die while driving, was at another shop for repair, one of the timing chains had broken and they installed a used engine and it never started again. Ran the numbers thru Dodge a... Trouble codes: P0355.
2007 Dodge Ram 3500 ST 6.7L Fluid VIN: 3D7MX48A27
Checked vent on top of transmission and it was partially plugged. Since we cleaned it, it has not leaked. Also learned that it has done it a couple times before. They forgot to mention that. Thanks for the replies.
2008 Dodge Ram 1500 ST 4.7L Stall VIN: 1D7HA18N08
As it turned out I had to regap the spark plugs to .45' and it's been about 2 weeks and so far so good. I know it sounds weird but it worked. Rey
1992 Ford F-150 Custom 5.0L Poor Idle Quality, Hesitation, Surge, Misfire VIN: 1FTEF14N8N
Thanks for all the good replies. Martin in Michigan was correct. Ordered a Motorcraft distributor, fixed and runs great.
1997 Ford F-150 Lariat 4.6L Cooling Systems VIN: 1FTDF1764V
check water pump it was ok pull of drive belt run truck had air in radiator resv the water was even runing over . head gasket
2001 Ford Windstar SE Sport 3.8L engine VIN: 2FMZA57441
I had no vacuum leaks and when Ricardo said that he had the same problem with a mustang 3.8 and it turned out to be a bad tps that showed no codes I changed it and it resolved the problem. But I did have to make several crank and cutoffs before the iac acted r...
2005 Ford F-150 FX4 5.4L Surge, Cuts out VIN: 1FTPW14545
Hey Techs I haven't been able to get the truck back lately but did notice no misfire counters in mode 6 on any cylinders but will update when fixed. Thanks to all.
2006 Ford Escape Hybrid 2.3L compressor VIN: 1FMYU96H16
Hi techs thanks to all, I am still waiting for my daughter to decide. I think I will try the orifice tube and evac recharge first. I will update. thanks again Ric
2008 Ford Escape XLT 3.0L Misfire VIN: 1FMCU93108
found to have a bad connection inside the plug that connects to the pcm Trouble codes: P0352.
2008 Ford E-450 Super Duty 6.0L No Start, Stall VIN: 1FD4E45P18
Wow, the depth of knowledge of the members of this site continues to amaze me. Jeff and Andy had the key, Patrick told me why. I saw 0 volts on pin 1 at the PCM for the trans range sensor and apparently the fan clutch was pulling the circuit down. As I had ... Trouble codes: P0705.
2008 GMC Acadia SLT 3.6L Refrigerant VIN: 1GKEV33728
Thanks, all, for the input. I was able to remove the blower motor oas several of you recommended. I looked at the evap with a borescope. Unfortunately there was no debris or any obvious leaks at the evap. I still suspect a small crack which I hope will con...
2006 Infiniti M45 Sport 4.5L Hesitation, Cuts out VIN: JNKBY01E16
I released car without fixing it. I called owner week ago to find what happened. Even a local dealer tried 3 days, they said they couldn't duplicate symtom, so they realeased car without fixing. I will keep contact to owner, if I have news I will post it. Than... Trouble codes: P0340 (Cam position sensor 1).
1999 Lexus GS300 3.0L shift interlock VIN: JT8BD68S1X
This lexus is back on the road. The dealer only sells individual pieces in the shifter assembly. I was not sure which piece was bad but i figured the interlock solenoid was bad. The owner chose to get a complete used shifter to rule out any possibility of oth...
2001 Lexus LX470 4.7L Self Leveling System-Code C1733 VIN: JTJHT00W71
Found broken wire in harness for control valve assembly. All good now.
1992 Mercedes-Benz 500SL 5.0L compressor VIN: WDBFA66E8N
we ended up installing the original compressor just to confirm all electrical systems where ok. This unit ran fine but as we mentioned earlier it was leaking. Ordered a unit from Mercedes and every thing worked properly. It was not receiving a signal from the ...
2000 Nissan Maxima GLE 3.0L Misfire, MIL Lamp on VIN: JN1CA31DXY
First Thanks for the help. I especially enjoyed the whit and sarcasm. I now wont need to call my ex wife this week, I knew I paid for this web site for a reason. As for the fix...The bank one coils installed were O/E Nissan. So based on the overwhelming respon... Trouble codes: P1320 (Ignition signal primary), P0172 (System too rich B1).
2003 Saab 9-3 Linear 2.0L Poor Idle Quality, MIL Lamp on VIN: YS3FB49S53
Huge thank you to Justin from North Carolina. Getting an ECM with the first 9 of the VIN matching is what it took to get this one to program. Vehicle runs well and the check engine light is off. Thank you to everyone that took your valuable time to respond. Trouble codes: P0546 (Exhaust gas temperature sensor circuit open or short), P0606 (T8 control module internal fault).
2009 Subaru Forester X 2.5L key fob VIN: JF2SH9KL59
OK, I post this as I'm wiping the egg out of my eyes ;-) I actually misread my SI programming instructions, it states "press and hold the central locking switch button on driver's door in unlock position". I was only pressing then releasing the button. Once p...
2003 Toyota RAV4 2.0L Pcm VIN: JTEHH20V53
Thanks, all for the replies. The PCM was definitely the villain. It was the older style PCM that the TSB's warned us about. I had Toyota install and program a new one - all shifts now normal.
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