× 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 November 5, 2013
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
1999 BMW 528i 2.8L Readiness status VIN: WBADP6330X
Trying to perform a smog check but cant get readiness tests to run. Evap , cat convertor and 02 sensor wont run. Is there a way to get these monitors to run?
2002 BMW 540i 4.4L Alarm VIN: WBADN63472
Using ISTA does anyone know the correct path for finding the alarm counter.I can't find it anywhere even using SI B 65 42 07. Thank You,Alex
2003 Cadillac CTS 3.2L Cuts out VIN: 1G6DM57N63
Hello to all. We have this Cadillac that is giving us trouble. The customer complains that it will buck and then shut off while driving. It will usually restart but sometimes he has had to wait awhile to get it to restart. When it came in it had a camshaft and...
1993 Chevrolet K1500 Cheyenne 5.7L Hesitation, Poor Fuel Economy VIN: 1GCEK14K5P
First off thank you for your time. this truck runs decent cold when warms up it looses power and sputters it feels like fuel starvation or timing issue. This customer is down and out only wants a diagnosis will replace his own parts,,, So I unplug the alternat...
1995 Chevrolet Camaro Z28 5.7L throw out bearing VIN: 2G1FP22P3S
help, I am using LUK clutches, had flywheel surfaced each time, does have a minor grove on the input shaft from the old pilot bearing. do not think it is wise to keep throwing clutches at this without knowing the cause.
1998 Chevrolet Corvette 5.7L key fob VIN: 1G1YY22G7W
remote or key fob. trying to figure out how to check remote entry. remote does not work. tried sych. it and reprograming. nothing works. battery good. checked fob signal in fob its good. no codes anywhere all door locks work. i.m thinking maybe fob is no good...
1998 Chevrolet Blazer 4.3L 3rd Gear VIN: 1GNDT13W8W
Okay this car belongs to a regular customer, but because we do not do Transmissions he took it to another shop. The customer states that the car would stay stuck in 3rd gear, it will not shift up, or down. We knew that these cars had ignition switch issues, ...
2002 Chevrolet Avalanche 1500 5.3L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: 3GNEK13T22
I took a tempature before the cats and found the left one was 650 and the right was 300 so I suspected clogged cat on one side. Cut off both cats and no restriction. It seems like a jumped timing chain. I scoped the ign on the dis setting and all the paterens ... Trouble codes: P0300 (random misfire), P0106 (Map out of range)
2009 Chevrolet Cobalt LT 2.2L Radio VIN: 1G1AT58H39
Need a litle help just trying to confrim before replace. The radio is dead no anything lites,clock anything. Looked at diag only see 1 b+ and 1 ground tested both and good as gold. So am i safe to figure the radio is toast or am i missing something thanks for ...
2009 Chevrolet Silverado 2500 HD LT 6.0L No Start VIN: 1GCHC53K19
truck was towed in with a no start issue. I first check fuel pressure and was a 60 psi. check to see if it was getting spark and it was a good blue for about 1/2". checked with node lights on injectors and all worked. tried using starting fluid and still no st...
2001 Chrysler PT Cruiser 2.4L obd 2 monitors VIN: 3C8FY4BB91
Any input here will be appreciated. Customer took his vehicle in for it's bi annual smog cert. It failed due to a lack of communication between the vehicle and the smog equipment. I can communicate with the PCM with my Solus (data , codes etc.). When I try to ...
2007 Chrysler 300 Limited 3.5L engine VIN: 1C3H9E3D07
need wiring diagram for complete immobilizer system,layout of all relays an fuses to check an c y no communication to engine module
1999 Dodge Intrepid 2.7L No Start, No Crank VIN: 2B3HD46R6X
This repair has gone on too long and I need help. Any assistance or ideas would be greatly appreciated. We are trying to help out (at our expense) an older single woman who has babied her 99 Intrepid and which looks and smells like new. She was driving it when...
2000 Dodge Durango R/T 5.9L Governor VIN: 1B4HS28Z3Y
I am an electronics guy, not a trans guy. Trans shifts all gears late, or not at all without coaxing. Sometimes shifts all gears relatively O.K. Governor pressure actual is almost always well below gov. pressure desired on scanner. Have road tested with scanne...
2000 Dodge Durango 4.7L engine idle VIN: 1B4HS28N6Y
This vehicle has intermittent problem with idle either surging or sometimes just dies at a stop. always starts right up. customer states that sometimes if he raises the idle in park or neutral to 1500rpm for a few seconds then lets off it dies. Problem worse w...
2005 Dodge Neon SXT 2.0L Starting VIN: 1B3ES56CX5
This vehicle was brought to me with a dead battery. I first charged and tested the battery charging system all was good tested for a system draw found that after evrything shuts down we have a .6 amp draw . if you remove the #13 fuse in the power distribution ...
1988 Ford F-150 Custom 5.0L starter VIN: 1FTDF15N7J
these parts look pretty new,mayb 6 months old,starter stays hung in crank position,pulled key back some and still does it,turn key off and keeps goin till i disconnect battery.pulled starter and looked at contacts and were touching,no gap if any very little.R&...
1998 Ford Contour GL 2.0L Surge, MIL Lamp on VIN: 1FAFP6538W
Seems to be a recurring problem now - some condition still is triggering the fault code. Here is the Ford description. 'The Variable Camshaft Timing (VTC) solenoid effects the inlet camshaft timing only. The actuator is a helical spline type, which is engine ... Trouble codes: P1381 (Variable Cam Timing Over Advance Bank 1)
2005 Ford F-150 FX4 5.4L 4x4 VIN: 1FTPX14595
Thanks to everone that can help. The customer has no 4 wheel drive operatation. There was a code c1979 iwe code. Ran the tests for that code with all data. Have found that the pcm is allways grounding the iwe solenoid. So it stays in 2 wheel drive. I have a m...
2005 Ford Crown Victoria 4.6L head lamps VIN: 2FAFP71W95
hey guys I'm throwing this out a little prematurely in hopes someone has seen this and can save me some time. Police car with headlamps that stay on at all times. Scan tool data showed no codes in LCM and headlamp switch toggled between on and off as it should...
2008 Ford F-550 Super Duty XL 6.4L Hesitation VIN: 1FDAF56R28
Good day, This truck is one of our shop Flatbed car carriers. I will say we do not specialize in diesels, but I wanted to give it a go before we sent it out. We are working with the latest software in snap on solus. The drivers of the truck have been compla...
1998 GMC Jimmy Envoy 4.3L PWM TCC Solenoid VIN: 1GKDT13W5W
Having an issue with VCM setting code P1860. Have run all tests per Alldata through multiple scenarios. Please don't get hung up on that. When I clear code, it will return soon as wheels are turning a couple mph, up on lift or in driveway. Have monitored volta...
2006 GMC Canyon SLE 2.8L Engine VIN: 1GTDS19896
Hi guys i need some help with this one i rebuild this engine on this little pick up and car runs fine but it has a rough idle condition when it starts first thing in the morning it only lasts for 30 to 40 seconds and then it will run fine till it sits for awhi...
1998 Honda Accord EX 2.3L Misfire VIN: 1HGCG5650W
thanks for reading this, the car came in running bad at times. test drove with customer and sure enough when it got warm it skipped. We preformed a good tune up plugs, wires, cap and rotor. On test drive it would misfire at times so we cleaned injectors, and t... Trouble codes: P0301, P0302, P0303, P0304
2008 Honda CR-V EX 2.4L wont accerlerate VIN: 5J6RE48798
On the cars last visit we replaced the throttle body in a "guess" attempt to fix the problem but didn't fix it. The car came back in today and it happened to the customer 3 times in one day but of course it wont do anything for us. We found the same code as la... Trouble codes: P2135, P2101
2001 Jeep Grand Cherokee Laredo 4.0L data link, multifunction switch VIN: 1J4GX48S51
The car will sometimes die when turn signals are used. Sometimes will restart, sometimes not. With scan tool connected, left multifunction switch will cause disconnect from scan tool when used. Some times the dash will show all the gauges going to full low rea...
1996 Lexus LS400 4.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall, Misfire, Poor Fuel Economy VIN: JT8BH22F7T
came in with clogged cat on passenger side . replaced cat , noticed smelling gas out exhaust . bank 2 running full rich . replaced b2s2 o2 sensor , and all spark plugs . still running rich . very weak injector pulse , untill engine is revved , then gets SUPER ... Trouble codes: P0300, P0302, P0304, P0306, P0308
2000 Lincoln LS 3.0L Heat VIN: 1LNHM86S0Y
Dual zone blows cold from both zones regardless of control temp setting. Controls set to 85 & blows cold. Code B2428 (Passenger Heater Core Discharge Temp Sensor Open Circuit)returns right away after clearing. Engine coolant gauge reads 1/2 way between cold & ...
2005 Lincoln Aviator 4.6L Abs VIN: 5LMEU68H55
Hello All!! This Lincoln Aviator came in with complaints of a GRINDING..{which is ABS pump motor running} noise when turning left and traction control light flashing...also limited throttle when all this is happening ONLY in a tight LEFT hand turn like in a pa...
2008 Mazda CX-7 Touring 2.3L Misfire VIN: JM3ER293X8
Are there known problems with fuel injectors on this engine? This #3 Missfire is very intermittent and customer claims it occurs at idle in gear. Afer driving for 5 minutes or so after vehicle sets for 1-4 hours Trouble codes: P0303 (3 cyl missfire)
2003 Pontiac Vibe GT 1.8L MIL Lamp on VIN: 5Y2SN64L53
this vibe sets these 3 codes after 2 drive cycles and approx. 8 miles. watching scan data I can see bnk 1 o2 sensor cycling between .085-.795 volts but the cycles are very slow taking approx 4-5 seconds at idle and about 3 seconds at cruise. stft cycles from -... Trouble codes: P0133, P0130, P0420
2005 Pontiac G6 GT 3.5L No Start, No Crank No Communic VIN: 1G2ZH54825
We had a customer who had an aftermarket stereo installed in this 2005 Pontiac G6 to replace a stolen factory stereo and factory Monsoon sound system. After that it would not start. The installer then "Unsoldered" and disconnected all of the wiring that he did...
2002 Saturn Vue 3.0L Service Engine Soon VIN: 5GZCZ63B92
DTC code P0700. Trouble codes: P0700 (Transmission Control System Malfunction)
2008 Volkswagen Passat lux 2.0L cranks but no start VIN: WVWEK73C28
hello fellow iatners. I have a good one here for you guys. it was at an automotive shop to have hid lights installed on it and when the customer picked the car up it drove for a half mile then nothing. car died and refused to restart. I was able to pull codes ...
2005 Volvo V50 T5 2.5L No Start, Poor Idle Quality, MIL Lamp on, lack of power VIN: YV1MJ682X5
Hello all, we have a Volvo V50 that is causing us some grief. The problem has been ongoing for a few months now, and is intermittent. We actually believe there may be 2 separate issues with the car, but we could be wrong. The main issue we are getting is an ex... Trouble codes: ECM50, ECM67

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Chrysler PT Cruiser 2.4L Poor Idle Quality, Hesitation, Poor drivability VIN: 3C4FY48B44
I was looking for some reference waveforms and came across an article i had buried regarding the sbec vs ngc documentation and coding differences for an aftermarket engine management system. Long story short I had a defective cam sensor. The pickup was locate...
2002 Ford E-150 Econoline 4.6L Cuts out, Misfire VIN: 1FDRE14W62
Well, I decided to wing it and try all plugs and coils, and it's fixed! I seriously think having 3 or 4 different brands of coils on it was playing havoc with the computer. Also, the other van I took in with the same problem, is also fixed by replacing all coi...
2003 Ford F-250 Super Duty XL 5.4L Head gasket VIN: 3FTNF21L13
Most of you confirmed that this truck has a head gasket problem. Also, it was suggested more often than not, to remove the body to do the job. The customer hasn't got back to me and he doesn't know yet what he is going to do. Thanks to all who replied ...
2004 Ford F-250 Super Duty Harley-Davidson Edition 6.0L Mechanical VIN: 1FTNW21P24
Thanks to all who took the time to respond. It did have a early and late build split. I believe that is where the hours it called for came from was early builds that are harder to access. Ours was a late build. The job was not all that bad. We did replace the ...
2009 Ford E-350 Super Duty XL 5.4L Poor Idle Quality, Cuts out, Poor Fuel Economy VIN: 1FBNE31L19
The van has been running fine & the pcm seems to be fine also. I found out the upper o2 sensors on this flex/fuel van give a different signal then the normal o2 voltage. It is a % & is being used as an air fuel ratio sensor. I guess that's how the pcm figures ...
2010 Ford Escape XLT 2.5L MIL Lamp on VIN: 1FMCU9D75A
Finally got the car back today. Instead of IDS or Autel in Ford mode I used OBD2 generic and the code cleared without a problem. For the P0457 and P0455 found that the purge valve did not always open. Replaced the purge valve. Trouble codes: P0457 (Evap small leak check fuel cap).
1999 Jeep Grand Cherokee Laredo 4.7L No Start, Stall VIN: 1J4GW58N6X
well got many replies on this. most were crank /cam sensors or pcm issues which seem to be common to this vehicle.i had cleaned throttle body and done relearn on pcm.but vehicle would still stall and restart at times.customer stated that it did it most at stop...
1999 Lexus LX470 4.7L No Start VIN: JT6HT00W8X
Well Thanks to everyone who replied, I never could get the truck to act up so I replaced the main efi relay which doubles as the fuel pump relay and the main efi fuse. Both looked ok, I even scoped the fuel pump and it looked fine. I'm sure I will hear from th...
2003 Mazda 6 i 2.3L timing chain VIN: 1YVFP80C13
This one is fixed and gone. The problem was with the harmonic balance. The used engine came from a car that was in a frontal crash and had caused the tone ring on the balance to slip enough to advance the spark. We installed the balance from the original engin...
2005 Nissan Frontier XE 2.5L No Start, Cuts out VIN: 1N6BD06T85
Thanks to everyone for your help. It was the ECM Relay. Replaced and vehicle runs great. Also checked grounds and they were good. Again, thank you for your help. Trouble codes: U1000.
1999 Plymouth Voyager 3.0L Cooling Systems VIN: 2P4FP2534X
We removed the front (L) exhaust manifold and the stud at the #2 exhaust port that we were concerned may be leaking like old Mopar V8s would leak in the past. These studs DO NOT plug cooling system holes as they do not go into the cooling jacket. I made a call...
2000 Pontiac Bonneville SE 3.8L Battery draw VIN: 1G2HX54K14
Thank you for taking the time to help me.This nightmare short decided to go away,for a few days.Starting fine every morning.The day I was gonna give it back to the customer it decided to have a dead battery!! I found fuse 29 in the rear fuse panal,ignition swi...
2005 Subaru Forester XS L.L. Bean Edition 2.5L Vent VIN: JF1SG67695
Well thank you for the replies. We ended up replacing the ecm. I was not convinced it was bad because it would operate the drain valve when in the test mode. I took a chance and replaced the ecm simply because we had exhausted all the other possibilities. It i...
1992 Toyota Corolla DLX 1.6L Excessive Emissions, High idle VIN: JT2AE94A4N
Long story short. We switched injectors out with the injectors that came with the used engine and also throttle bodies. performed a fuel injection service and vehicle flew through the emissions test! All we can say is that the injectors were different between ...
2000 Toyota Land Cruiser 4.7L Suspension VIN: JT3HT05J6Y
So i tried to test the truck using the methods that some of you said. No definitive answer through those test either. Ended up pulling the the one link off that i had mentioned and you could see where it was twisting on itself. was really hard to tell with lin...
2000 Toyota Tacoma DLX 2.7L Oil pump VIN: 4TAWM72N7Y
Thanks for the replies guys, unfortunately i still got a mixed bag of results from yall.. Sounds like it may or may not need to have the timing cover etc removed, still unsure if there is bolts that hold it on from the back side or just the front. Car is go...
2002 Toyota Sequoia Limited 4.7L Stall VIN: 5TDBT48A22
Thanks for all the help. I replaced the ballast for the fuel pump and it roared back to life only for a little while. I hooked up the Modis and the wave form for the pump looked suspect. So I took it home for an extended road test and after driving it about te...
2009 Toyota Corolla XLE 1.8L radiator fan VIN: JTDBL40E79
Okay guys im sorry it took me this long to post but heres what I did. I had a blower module here out of a 2005 chev avalanche that was basically the same design. Two heavier gauges going in and two going out with a smaller wire as the control wire so I wired t...
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next