× Auto Repair Pros Member Benefits TechHelp Knowledge Base Forums Resources My iATN Marketplace Chat Pricing About Us Join Industry Sponsors Video Members Only Repair Shops Auto Pro Careers Auto Pro Reviews
Join Now
International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 7, 2012
International Automotive Technicians' Network (iATN) - Members Only
(Also Available: All, Asian, Chrysler, European, Ford, GM.)
Vehicle Owners: If you are seeking an automotive repair professional to service your vehicle, visit the iATN Repair Shop Finder.

Open Help Requests for All Makes and Models
Help Request Answers
2001 Buick Regal LS 3.8L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: 2G4WB55KX1
This one is giving me trouble. The vehicle orig came in for drivability issues. The car stumbled/chugged occasionaly and spit p0300 and was showing misfires on all cyl. Another tech that has since moved on worked on the car and came to the conclusion that the ... Trouble codes: P0300
2005 Buick Rendezvous CXL 3.4L Exhaust ? VIN: 3G5DB03E15
Car has a roaring noise. Much worse at 50-65 mph. Sounds as though muffler has been cut off and is roaring in the rear of the car. Noise is also there when car is sitting still while power braking.we replaced the muffler and resonator as we thought the muffler...
2002 Cadillac Escalade 6.0L Turn signals VIN: 1GYEK63N02
When the vehicle entered the shop the left turn signal pulsed on and stayed on (no flashing). Accompanying the lack of operation there was a buzzing sound coming from the fuse panel (turned out to be the flasher). I began by examining the wiring schematic. I p...
1996 Chevrolet Express 3500 5.7L Hesitation, Surge, Cuts out VIN: 1GCHG35R4T
This van came in from another shop, opening the hood i found lots of shinny new parts, the simtoms are that under a load it has no pwer anr runs like a plugged exhaust or no fuel, so far ive check vacuum when symtems occer its normal,checked fuel trim and look...
2001 Chevrolet Blazer LS 4.3L Hard Starting VIN: 1GNDT13W71
Greetings! After the initial start in the morning, the engine requires excessive cranking to start - slight pressure on accelerator seems to help. Coolant temp reading appears correct. Tried known good MAF sensor. Fuel pressure holds when shut off and vehicle ...
2008 Chevrolet Express 1500 4.3L MIL Lamp on VIN: 1GCFG15X68
we have monitored all 5v ref sensors with lap top as problem occurrs freeze frame data is not showing any sensor failure.Last failure trip was at 1050 rpm while backing out of our bay.When you clear the code the vehicle runs normal no misfires or performance i... Trouble codes: P0641
2009 Chevrolet Silverado 1500 LT 5.3L water temp gauge/IPC message center VIN: 3GCEC23J39
Getting FALSE "Engine HOT" message on IPC and engine temp gauge does NOT move from cold(160F is min on temp gauge). The vehicle was being driven and everything was normal. All of a sudden temp gauge drops to minimum value(160F) and "Engine HOT/AC turned OFF" m...
1992 Dodge B350 5.9L No Start VIN: 2B5WB35Z6N
unpluged every thing that the blk-lt blu wire went to didnt make adefferance.
1996 Dodge Ram 2500 5.9L thersmostat VIN: 1B7KF26C4T
Hi, this vehicle i looked at the other day. The thersmostat was replaced with an aftermarket unit. Engine still not up to temperature. Thersmostat was replaced with 180% from Dodge dealer. Still same thing. Rad is cold, interior heater warm. Ran truck for 2...
2001 Ford Focus ZX3 2.0L No Start VIN: 3FAFP31341
Car died while driving. Melted harness to DPFE, MAF, coil pack, starter. Repaired harness, replaced blown fuses. Still no crank, no communication to PCM (odo is dashes), no comm to any module. If CTM is removed, we have comm to airbag only, no codes in airbag....
2002 Ford Expedition XLT 5.4L No Start VIN: 1FMEU15L82
hello guys im having trouble reflashing the pcm in this ford the vehicle was running, but it a had a code from the vent control selonoid which turn out to be the pcm, so i replaced a used pcm i tryied to reflash it with the CARDAQ J2534, but the programing pre...
2004 Ford F-150 Lariat 5.4L Valve train VIN: 1FTPW12524
This truck came to me with a loud ticking from right bank and a barely noticeable misfire. I originally thought hydraulic valve lash adjuster. After removing the valve cover and roller rocker I discovered that in fact it was the roller that failed and caused t...
2004 Ford F-150 STX 4.6L No Start VIN: 1FTRF14W94
Thanks in advance to all who take the time and read this post and offer help. This vehicle was towed in as a died on road and no start. It is a no crank no start. checked all the typical starter and battery connections etc. all checked good. now comes the craz... Trouble codes: U1900, B2659, B1318, B1352
2005 Ford F-550 Super Duty XL 6.0L No Start, Stall VIN: 1FDAX57P95
Truck originally stalled & would not restart. Test high pressure oil system. Found system held pressure. Replaced HPOP. Truck started & ran fine for 90 miles. Truck shut off & would not restart again. This time HPOP was leaking into the low pressure oil side. ... Trouble codes: P0341 (Cmp), P0460 (Fuel level sensor), P0463 (Fuel level sensor), P0611 (Ficm), P2291 (Icp too low), P0675 (5 cylinder glow plug)
2008 Ford F-150 XL 4.6L defroster VIN: 1FTRX12W38
This truck has very little airflow on defrost.It appears to leak most of the airflow behind the dash and through the floor vent.I have heard a lot about mode doors breaking inside the case and I thought I would check with everyone before jumping in.
2003 Honda CR-V LX 2.4L engine block VIN: JHLRD78563
Vehicle came in with slight oil leak at sending unit and oil light was flashing intermitantly.Replaced oil sending unit with NAPA Echlin part and problem appeared to be solved. Following week vehicle went to body shop for some minor body work and bodyshop told...
2007 Honda Odyssey EX 3.5L Unknown VIN: 5FNRL38607
Hi Honda tech! I need help I can not open the driver side sliding door from in or out side because the cable was failed off now i want to put the cable back but i need the to poen so i can reinstall the cable. I had door panel off the back latch look like it o...
1997 Infiniti QX4 3.3L none VIN: JNRAR05Y7V
Is water pump timing belt driven?
2001 Infiniti QX4 3.5L Pinging VIN: JNRDR07X01
Trying to fix a customer's complaint of a intermittent pinging. The truck has an intermittent ping when going up hill during acceleration. During some test drives it would stop completely and would go up hill just fine. We replaced the oil with sythentic and c...
2006 Jaguar S-Type 3.0L MIL Lamp on VIN: SAJXA01A86
car set code twice within a week, cursory look over does not show antthing amiss and cannot find any info on Alldata regarding this code, any help appeciated. thanks in advance, Trouble codes: P2406
1984 Jeep CJ7 4.2L carb VIN: 1JCCM87E1E
Hello Iatn proffesionals. I need a little help here with my bosses Jeep. He drives this at the beach from time to time, but has sat for many months at a time between runnings. One of our shop techs recently overhauled the carb and the vehicle ran great.After a...
2005 Jeep Liberty Limited 2.8L No Start VIN: 1J4GL585X5
As a European vehicle specialist I have no knowledge of Jeep vehicles. This vehicle started as an 02 3.7 gasoline Liberty with a dead V6. The complete drive system including all mechanical and electronic systems and harnesses (literally the entire vehicle) fro...
2007 Lexus LS460 L 4.6L battery drain VIN: JTHGL46F47
got this car is a new costumer. comp[laint of battery drain. check charging system and battery load everything test good. check the battery drain with a inline multimeter and it shows .080 amps. i try removing fuse by fuse and the drain never drops. try with m...
1993 Mercedes-Benz 300SL 3.0L Soft top, Roll bar VIN: WDBFA61E7P
Hello! We have been fighting this for a while now. The customer came in from another shop (actually 2 shops before us) with a recently repaired soft top module that he wanted us to install and intitialize. We did, and it did not work. We performed testing on a...
1997 Nissan Quest GXE 3.0L No Start VIN: 4N2DN111XV
car came in on hook,died while driving,sounded like timing was off. so removed timing belt covers and checked timing,all 3 marks lined up perfectly. went ahead and replaced belt, still no start. anybody got any idea's where to go next?
2007 Nissan Altima Hybrid 2.5L Idle relearn VIN: 1N4CL21E67
HELP!!! Thanks for the advice on this one. Two weeks ago, we serviced this hybrid car and cleaned the throttle body. All seemed good. We shipped it and its back with the service engine soon light on and a P0507 stored for idle speed too high. The idle is in ...
1986 Subaru GL 1.8L Poor Fuel Economy, MIL Lamp on
Not a request for help. I'm posting a fix for the benefit of all. This Subie came in with a check engine light, and poor (limp mode) drivability. Codes are for mass air flow sensor, fuel pump, crankshaft position sensor, and something else (don't have my notes... Trouble codes: 11 (16 -), 16 (35 -), 35 (53 -), 53
2006 Subaru Impreza WRX STI 2.5L Hesitation, Cuts out VIN: JF1GD70646
have no history on car since it was just bought. does have some aftermarket things installed on car mainly turbo, exhaust, blow off vavle and some gauges. as far as i know computer is stock along with ignition and injectors. the problem is that when you get on...
2007 Suzuki Forenza 2.0L MIL Lamp on VIN: KL5JD56Z97
my daughter has 2007 suzuki,forenza.that keeps popping code p0420 after few drive cycles.i removed cat and inspected.looked very clean from in side.no other codes or issues with car.car runs great.any help will be greatelly appreciated.thanks in advance. Trouble codes: P0420
2000 Toyota Avalon XL 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 4T1BF28B3Y
We have this 2000 Avalon that runs rough at idle and is setting VVT-i sensor range and misfire codes for bank 2. Checked the timing belt alignment and it was perfect. We checked the oil screen and the oil switching solenoid that controls the VVT-i gear. They w... Trouble codes: P1351 (p0302-), P0302 (p0304-), P0304 (p0306-), P0306
2000 Toyota Avalon XL 3.0L MIL Lamp on VIN: 4T1BF28B3Y
Vehicle came in with fail state emissions test(deq) here in oregon. Mill lamp on, with the folowing codes: p0172 system too rich (bank 1) p0330 knock sensor 2 circuit malfunction (bank 2) p0420 catalyst system efficiency below thershold (bank 1) performed cata... Trouble codes: P0330 (Knock sensor 2 circuit fault bank 2)
2006 Toyota Avalon XLS 3.5L No Start VIN: 4T1BK36B46
I have this Avalon that came from an auction that is a no start. We are the third shop to get this vehicle as all the others have given up. This Toyota has the smart key system and it seems like the vehicle doesn't recognize the key fob. If you enter the car w... Trouble codes: P2799
1999 Volkswagen Beetle GLS 1.9L horn,wiper,turnsignals,mirrors,heater blower fan VIN: 3VWCF21C8X
WEll, this beetle drove in with a long list of accessories not working.The heater fan,mirrors,turn signals,horn,all quit at the same time. There is some evidence of rodents having been under the hood but no nest or chewed wires visible. I've checked all the fu...
1999 Volkswagen Passat GLS 1.8L battery VIN: WVWMA63B3X
Vehicle first came to shop with water damage to comf module under drivers seat, we replaced module and wireing harness as needed since then an ongoing electrical draw has occured of .28 all circuits were checked at fuses as well as all door modules and even al...
2001 Volkswagen Jetta GLS 2.8L Transmission VIN: 3VWSG29M21
Hey Guys, Have a new one (for me) here. The customer drove this car to our shop whilst stuck in 1st gear. This occurred out of the clear blue sky...no previous problems (I'm told). The guy pulled out of the parking lot and has been locked in 1st from then on....
2003 Volkswagen EuroVan MV 2.8L Mechanical VIN: WV2MB470X3
Vehicle came in with codes 17748/P1340(Cam pos sensor incorrect correlation) and 17755/P1347 (bank 2 cam and crank signals out of correlation)and engine noise on start up. We changed the sensors just for gp. However codes and noise persisted. After removing th...
2004 Volvo XC90 T6 2.9L Engine VIN: YV1CZ91HX4
First time customer brought us this XC90 T6 and complained of smoke from the tail pipe when hot, MIL indicator on and excessive oil consumption. Found fault codes for both front 02 sensors. Checked crankcase pressure with a manometer. It reads a negative .25kP...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW 740iL 4.4L No Start VIN: WBAGH83491
This is finally out of the shop, customer had money issues, so this was on the back burner. I had a feeling about the CPS, but was told by customer that they were new (never dismiss a hunch )and could not possibly be the problem. Well they were the problem. I ...
1999 Chevrolet Blazer 4.3L No Start VIN: 1GNCS13W3X
2004 Chevrolet Silverado 1500 Z71 5.3L driveshaft VIN: 1GCEC14W34
well the fix seems to be that there is no fix. After some research and double checking tsb,s this problem is not uncommon and is normal GM says. If anyone runs into this the tsb is listed as clunk when shifting from reverse to drive and back. Customer was sati...
2006 Chevrolet Trailblazer LT 4.2L Excessive Emissions, Poor Idle Quality, Stall, Misfire VIN: 1GNET16S16
Thanks for all the input on this one it ended up being pretty simple did a correlation relearn and everything was fine after that. Thanks Again. Trouble codes: P0300, P0017.
2008 Chevrolet Silverado 1500 WT 4.8L Mechanical VIN: 2GCEC19C78
hey thanks for all of the help i cleaned all the frounds on this vehicle and this appeared to have taken care of the problem,vehicle has been gone for a week now and customer reports no problems.
2002 Dodge Intrepid SE 2.7L Surge VIN: 1B3HD46RX2
thanks for all the replies. the car is up and running like a dream. A very simple fix found the proper reluctor wheel which just bolts rite on. (I am actually surprised it ran at all with the amount of air gap it had) Special thanks to Teno and Gary [...] replaced...
2004 Dodge Sprinter 2500 2.7L MIL Lamp on, no throttle response VIN: WD5PD74474
Turbo resonator was leaking sending pcm to limp mode, and the owner i believe kept slamming on the pedal, setting an APP code. Trouble codes: P2135.
2007 Dodge Nitro SXT 3.7L F. washer; power locks VIN: 1D8GU28K97
Never got to dig too deep into this one. We don't have reprogramming capabilities on site for chrysler and once the wiring proved to be good and the module inputs were good we bailed before we tested any wiring under the "box" even tested the switches just to ...
2001 Ford Escape XLS 2.0L Shifting VIN: 1FMYU02B71
Thank you all for helping me sort this one out. Customer has been driving vehicle for about 2 weeks now. They have decided to live with the symptoms until they progressively get worse or the shifting becomes too difficult. In short, the cause was never complet...
2004 Ford F-150 FX4 5.4L Misfire VIN: 1FTPW14544
Vehicle had jumped time considerably and damaged cams were replaing motor. thankyou for all your help Trouble codes: P0300, P0301, P0302, P0303, P0304, P0316.
2006 Ford F-350 Super Duty XLT 6.0L Surge, Cuts out VIN: 1FTWW31P56
Sorry for the delay in closing this request. Thanks to all that responded. Most pointed to EGR faults, and you were correct!! The misfire code never returned, even before repair. The low boost code was an indicator that the PCM could not reach it's target ... Trouble codes: P0299.
2008 GMC Sierra 2500 HD SLE 6.0L wind shield washers VIN: 1GHK29K838
Thank you so much a new fuse box fixed the problem. I cannot thank you guys enough I had 7 people take time to help me and every one of you hit it on the head. Thanks again
2004 Hyundai Sonata 2.4L Stall, MIL Lamp on VIN: KMHWF25S44
Thanks for all of your replies on this problem. We took your advice and installed a good quality cam sensor and it fixed the car. Thanks again to all who took the time to reply. Trouble codes: P0340.
2002 Jaguar S-Type 4.0L heater VIN: SAJDA01P32
you were right again... It was the heater valves... the fact that all the hoses very very hot was a red herring.. thank you all very much..
2005 Jaguar XJ8 4.2L MIL Lamp on VIN: SAJWA79C95
Finally got our REM (Rear Electronics control module) in (Client would only step up for a used one). Coded module to car and all is well. Thanks for the replies, most of which were right on the mark and all were very informative. Trouble codes: P0629 (Fuel pump A control - circuit high).
2002 Jeep Liberty Sport 3.7L Misfire VIN: 1J4GL38K02
i took into consideration all the problems these vehicles have with carbon, valves and springs, so i performed an induction cleaning with the valvoline system, the vehicle runs on the spray threw the throttle body only. it has been 2 days and no problems.. tha... Trouble codes: P0301.
2000 Mazda MPV DX 2.5L scan tool comm. VIN: JM3LW28G3Y
the customer took the vehicle for the weekend and has not been back for me to test it under ford identification. if i do get a chance to check it i will post it. thank you iatn.
2006 Mercedes-Benz CLK350 3.5L MIL Lamp on VIN: WDBTJ56J06
I received good repsonses on this problem, Alexander was very helpful faxing me information that went beyond what Alldata had. We had used the OEM kit for this so all the plates and solenoids were replaced with the most current parts. When the cams were out o... Trouble codes: P0011 (0271 camshaft adjuster right intake incorrect position).
2005 Nissan Altima SE-R 3.5L Oil pressure VIN: 1N4BL11D05
Thanks for all the replies. Everyone hit it right on the head. In order to get what you need you have to order the entire rear timing cover plate. In order to cut some time off the job we removed the channel plate gaskets from the new plate and just reinstalle...
2006 Saab 9-3 2.0T 2.0L MIL Lamp on VIN: YS3FD45Y76
Sorry for taking so long to get this out and Thank You for the information. We tested the sensor and have ordered a new one. The customer hasnt brought the car back yet to put it on so I cant say for sure that is is fixed. Trouble codes: P0452.
2001 Toyota Sienna LE 3.0L filler neck VIN: 4T3ZF13C41
Thanks to all the helpful replies. I removed the the canister and found loads of dirt in the evap vent valve drain tube. I cleaned out tube and blew out all lines( as this vehicle sits for months at a time, and is driven down a dirt road often) I went to put g...
2003 Volkswagen Passat GLX 4 Motion 2.8L Timing belt tensioner bolt VIN: WVWTH63B03
Thanks to all that took the time to reply. From the looks of the comments this is not a pattern failure of this part. Not being the technician that completed the original work, I'm not sure of the torque of the bolt and only have the information provided to m...
2004 Volkswagen Golf GL 2.0L Misfire VIN: 9BWFL61J74
Thanks for all the replies. I did check the intake gaskets for vac leak when cold (smoke test and checked with water after 1st started) - tested OK. Throttle was relearned after clearing the codes each time. I did thoroughly check the plug wires for any signs ... Trouble codes: P0302 (Cylinder 2 Miss).
2009 Volkswagen Jetta TDI 2.0L No Start VIN: 3VWRL71K69
I have Adam from carquest to thank for helping me fix this vehicle. Ignition switch and steering lock control module signals to the vehicle electrical system control module were ok. There is a power supply relay (terminal 15) that is located on and energized b...
1991 Volvo 240 2.3L Breather System VIN: YV1AA8846M
As suggested by several folks we replaced the oil trap underneath the flame trap. Also made sure the flame trap was working correctly and all lines were clear which they were. Time will have to be the judge of this one.
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next