× 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 April 6, 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 Acura CL Premium 3.2L No Start, Poor Idle Quality, Stall, Misfire VIN: 19UYA42411
Acura towed into shop crank no start. Pulled spark plugs all wet. Dried out motor of gas, restarted ran rough for a few seconds and flooded out again. Checked fuel pressure, compression, spark, timing, fuel quality. Hooked it up to fuel injection cleaning mach...
2003 BMW X5 4.4i 4.4L Gauges VIN: 5UXFB33593
Customer stated vehicle looses power,gauges drop and lights come on dash.Itest drove vehicle and suddenly temperature gauge went all the way up into the red zone, The tachometer dropped off,and the ABS/Tracs light came on with the service engine soon light.I d...
1982 Chevrolet Corvette 5.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1G1AY8785C
this will be the third time i've put this on iatn. each time i thought it was fixed. this car has new computer,dist. cap rotor and wires. tps. if you drive this car normal its not bad, but if you floor it it feels as thou its dropping clyinders. no check engin... Trouble codes: P0042
1994 Chevrolet Camaro Z28 5.7L Excessive Emissions VIN: 2G1FP22P7R
While connecting my solus to the DLC, The Secoundary air system pump starts to run contenualy until key powers down or I disconnect the scanner? Also Cooling fans will not run but ECM show cammanding them on but no fans? will over heat on dyno (smog test) does...
2000 Chevrolet Impala LS 3.8L Drl VIN: 2G1WH55KXY
Vec day time lamps will come on by self day time or night time all by self when vec is off draining battery.Thought it was Ing switch lasted 3 weeks now back in shop I found heavy corosion at left head lamp capsule in main plug donot quite understand how elec....
2001 Chevrolet Tracker ZR2 2.5L Cuts out, Stall VIN: 2CNBJ73481
Hey guys need some help on this monster. Vehicle came in, the problem is whenever it is put into gear(Rev,Drive,M1,M2) the engine will stall being put under the load. Had originally believed that the problem was in the transmission so the trans was replaced an...
2002 Chevrolet Silverado 3500 6.6L Cuts out VIN: 1GCJK33112
Hello fellow techs. I have this 02 chev p/u that falls on it's face on a heavy accel from a stop. it takes off good for about 4 seconds then falls down for about 2 seconds then picks back up a goes again. This only happens once every time you start out again f...
2003 Chevrolet Trailblazer North Face 4.2L MIL Lamp on VIN: 1GNET16S83
Hello, thanks in advance for any ideas or experiences shared. BACKGROUND/HISTORY: This vehicle came into my shop after already having been to the 2 seperate dealerships. While in their care there were a few repairs performed: APP replaced, PCM replaced, and ... Trouble codes: P1271 (App 12 correlation error)
2005 Chevrolet Impala 3.4L Misfire VIN: 2G1WF52E05
Car belongs to a used car dealer.it came to us for a missfire. We changed plugs, wires, one ignition coil & fuel filter. Upon test drive it seemed to run fine & did not register significant missfires on tech ii. Vehicle also had excessive lifter noise. This we...
2007 Chevrolet Silverado 3500 HD LT 6.0L No Start VIN: 1GBJK34K77
Customer drove to to U-Hall to get an electric trailer brake controller. They pulled down the 4 wires that were taped to the harness by the DLC connector, they now stripped the blunt ends and connected their trailer brake controller, No Crank, No high Beams,... Trouble codes: U0140 (Loss of Communication with BCM)
2008 Chevrolet Impala LT 3.5L tire inflation reading VIN: 2G1WT58N48
We have recently purchased the new Snap On tire inflation monitor system TPMS3 due to increased inflation monitor complaints. Since we're new to the game we've been solving issues as they develop. This vehicle needs some outside advice to confirm my own suspic...
1999 Dodge Intrepid 2.7L Mechanical VIN: 2B3HD46R4X
Car starts and dies, car will only run about 2 seconds each time, code p1496 5volt output to low, po122 tps voltage below acceptable min, po106 baro out of range key on, po405 egr position sensor volts to low, when you unplug tps sensor voltage on scanner goes...
2004 Dodge Durango SLT 4.7L Starter VIN: 1D4HB48N94
Vehicle tow in as a no crank no start. No codes except for low battery and fuel guage irrationality. Theft light goes on with bulb check and goes off. There is no ground for starter relay circuit through PCM. All I read says that a no theft problem is a crank ...
2005 Dodge Neon SE 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1B3E526C75
thinking may have a computer issue, is missing on same side of coil, replaced coil, still same, customer had over loaded vehicle hauling top soil (in a bag) blew over load fuse, replaced but still running very rough, is missing on same side of coil, #2 & 3 cyl...
2007 Dodge Grand Caravan SXT 3.8L fan VIN: 2D4GP44L97
The cooling fans do not turn on with ac on. They do run when the engine temp gets too hot. drb shows ac on & cooling fan request no. The pressure switch pids appear accurate. Am I missing some other input that will turn the fan on, or am I looking at a pcm. Th...
2007 Dodge Ram 3500 ST 6.7L compressor VIN: 3D6WH48A47
Any and all help appreciated. This vehicle has the elctro-vicious fan clutch. At idle, the fan will only run at about 100 RPM's, and the pressures on the AC climb excessively. Up to and beyond 400 psi on the high side. My question is how do you check out the...
2007 Dodge Ram 3500 ST 6.7L compressor VIN: 3D6WH48A47
Any and all help appreciated. This vehicle has the elctro-vicious fan clutch. At idle, the fan will only run at about 100 RPM's, and the pressures on the AC climb excessively. Up to and beyond 400 psi on the high side. My question is how do you check out the...
2008 Dodge Avenger SXT 2.7L MIL Lamp on VIN: 1B3LC56R18
I have a 2008 Dodge Avenger 2.7L. it has about 50,000 miles and I recently got a check engine light on. P013A O2 slow response rich to lean. I replaced the O2 sensor but light came back on. I really dont have a lot of time to fully diagnose this issue. I was w... Trouble codes: P013A
1988 Ford E-250 Econoline Custom 5.0L Excessive Emissions, Poor Idle Quality, Poor Fuel Economy VIN: 1FTFE24NXJ
Thanks in advance for all of the quick responses we have had when we have found ourselves scratching our heads. We also don''t work on many domestic vehicles. No codes in Self-test. Vehicle runs rich on right cylinders only (Right side HC= 825 and Left side HC...
1996 Ford F-350 XLT 7.5L MIL Lamp on VIN: 1FDKF37G7T
Hey guys i really need help with this truck,The first thing that Mitchell on demand asks you to use is a special ignition adapter with a EEC V breakout box and we dont have neither.Where should i go from here. Trouble codes: P1351
2002 Ford Taurus LX 3.0L Hesitation VIN: 1FAFP55U82
Hi Guys I have A taurus that came in claiming it ran rough and had no power. Confirmed it had no power and when you press the throttle it takes forever to accelerate and takes a good 5-10 seconds to even get up to 3500 rpm. I had checked Maf sensor, idle air c...
2007 Ford F-150 XLT 4.6L MIL Lamp on, hard start VIN: 1FTRX12W97
Hello everyone, this car had the engine replaced due to flood. It keeps on popping that code and it has a hard start. We tried replacing the cam sensor with no luck. Checked the crank sensor and it shows good. Ohmed all the wires from the cam and also the cran... Trouble codes: P0340 (Cam position sensor circuit fault)
1993 GMC K1500 Suburban SLE 5.7L Cuts out, Stall, Poor Fuel Economy VIN: 1GKFK16K9P
Vehicle will not idle, must hold rpm over 1200, and in this scenario truck has all its power and fuel mileage. When setting base timing found that truck will idle on its own while spout connector or distributor lead is disconnected, but of course has no power ...
2007 Hyundai Santa Fe GLS 2.7L MIL Lamp on
The vehicle came in with P0501. No communication with anti-lock break module also called ESC. HECU checked for all power and ground and the connector input. The module had all power and grounds and continuity seemed to be OK on the CAN lines. I put it together...
2002 Isuzu Trooper Limited 3.5L ECM fuse VIN: JACDJ58X62
Intermittently ECM fuse in engine compartment fuse box blows causing a no start. It has not blown while I was trying to find the cause. I checked the total circuit current and it was 10 amps. Fuse is 20 amps. I pored over the wiring diagram and figured that th...
1998 Jaguar XJ8 4.0L No Start VIN: SAJHX1244W
We pulled this car in to replace the Transmission. It started but ran rough for an minute. We though because it had been setting for a while (approx 2 Months) as the owner was trying to decide wether or not to replace Trans. Long story Short. We replaced trans...
2002 Jaguar X-Type 2.5L MIL Lamp on VIN: SAJEA51D52
Happy Easter everyone. Got this jaguar thats being a pain. I have looked through the all the posts that i can find on this car with no results yet. I have disconnected EVAP sys and brake booster vac lines with no change in fuel trims. I only have Global OBD II... Trouble codes: P0174
2008 Mazda CX-7 Grand Touring 2.3L unknown VIN: JM3ER29LX8
This vehicle has a vibration between 55 and 70mph, only when accelerating, when you let off the gas the vibration stops. The tires are balanced and not out of round,a previous shop had the vehicle aligned. The front end is completely tight. I did notice a smal...
1989 Mitsubishi Fuso FE FE434 3.3L exhaust brake VIN: JW6ADE1C3K
we have verified that indeed the exhaust brake is not changing states as expected, seems to always be disabled. Our problem is finding any precise information on the workings of this system, it has two solenoids and a variety of vacuum controls which we have n...
2001 Nissan Maxima SE 3.0L Surge, MIL Lamp on
car seems to run fine below 2500 rpm,but if you get over 2500 it acts like it has rev limiter.i noticed scanner flashing coded triggered and set p0403 for egr,when code sets is when it wont rev over 2500 rpm.thing is i cant find a egr valve on engine.mitchell ... Trouble codes: P0505, P0403
1999 Porsche Boxster 2.5L MIL Lamp on VIN: WP0CA2989X
This one really has me pulling my hair out - hoping a Porsche guy out there can shed some light on this Boxster. Got this vehicle in with the check engine light on solidly. A scan with our Durametric software indicated the following codes: P0341, P1397. The c... Trouble codes: P0341 (Camshaft Sensor Short to B), P1397 (Camshaft Sensor Bank 2)
2003 Saturn Ion-1 2.2L Ignition VIN: 1G8AG52F43
I removed the ignition lock cylinder to have the key cut when put back the vehicle will not start replaced electricle switch and tried to reset after ten min. It will re set but when i start the vehicle the starter cranks once then security lite flashes any he...
2002 Subaru Impreza WRX 2.0L Poor Idle Quality, Cuts out, Stall VIN: JF1GG29652
To all techs, We have a 2002 Impreza WRX that appears to idle smoothly for 99% of the time with an idle fuel trim of +/- 3%. Every once in awhile, the engine would idle rough for only a few seconds due to what appears to be a lean mixture condition. During thi...
2000 Toyota Celica GT 1.8L Not Cold VIN: JTDDR32T9Y
My boss bought this cas about a year ago i just started hear. The high and low pressures are 60low and 60high fans working properly charged system. Too me it looks like compressor. I my self have removed expanshion valve and evap flushed out every thing in ac ...
2004 Volvo XC90 2.5T 2.5L MIL Lamp on VIN: YV1CZ59H74
THIS TRUCK HAS MISFIRE #2 AND #3 CYLENDERS under heavy load we put new volvo spark plugs in and coils from another car that runs good comp ck at 150 all 5 cylenders leak down less than 10% bypased boost valve still the the same runs good if you drive normal no... Trouble codes: 3503 (Misfire 2 cylender), 3513 (Misfire 3 cylender)
2010 Volvo S80 3.2 3.2L power windows VIN: YV1960A55A
Hello Volvo Techs. I and getting code in the DDM (B118E00 - LEFT FRONT WINDOW & B119000 LEFT REAR WINDOW). I have tried to initialize both windows with Autologic, however the codes keep coming back. The auto feature will work one time up and down and then stop...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 Audi A6 Quattro 2.7L MIL Lamp on VIN: WAUED64B41
Thanks for the replies! Was advised Alldata time for the exhaust Temp sensors is way off, should be 4-5 hours and they won't cause the check engine light to come on. Also exhaust temp sensors should be replaced in pairs, the kit comes with both sensors. Was ad... Trouble codes: P1457, P1113, P1131.
2002 Audi A6 Quattro 3.0L Level Sensors VIN: WAULT64B52
1996 BMW 328i 2.8L abs VIN: WBACD4321T
Thank you all for the help.As i had thought and most of the suggestions said, the module was infact faulty.Thanks again for the help!!
2000 Cadillac DeVille DHS 4.6L compressor
hi fellow tech it was great to hear from everybody.Before I placed this request I had tested and replaced the three prong switch at the compressor.when it still didnt work I thought that I screwed up.well I didnt after a lot of add. diag I came back to the th...
2007 Chevrolet Silverado 3500 Classic LS 6.6L amp guage VIN: 1GCHK33D87
Thanks for ALL the good information. I new you guys would come thru:). I haven't talked to the guy yet but I can reassure him like I tried to do earlier that his truck is operating normal. Until next time, happy wrenching.
2000 Dodge Neon ES 2.0L electrical VIN: 1B3ES46C2Y
Id like to thank everyone who took the time and replied to my request. All great advice! The fix ended up being the CMP plug was swapped with the Coil plug. When I first inspected the vehicle I noticed the wire going to the CMP was extremely tight and barel...
2004 Dodge Ram 1500 ST 5.7L Poor Idle Quality VIN: 1D7HU18DX4
First I want to thank everyone that responded. This ended up being the EGR valve. I was thinking it had a vacuun leak, and thought first maybe the plastic intake manifold was cracked or melted. So I pulled the EGR tube off the valve and capped it up, and the v...
1996 Ford E-250 Econoline XL 5.8L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1FTFS24H2T
well,this one is fixed. i started by double checking my power supply at the red wire to all injectors,power supply was good. i next checked the ground signal directly at computer for cylinder #1, no pulse. the problem i ran into was finding a replacement compu... Trouble codes: P0171 (lean bank 1).
2003 Ford Expedition XLT 5.4L front wheel bearing VIN: 1FMFU16L83
Thank you all who replied to my request. The left actuator was losing vacuum and causing the right one to chatter. I went and replaced the left one,along with the hub/bearing assembly. All is quiet and works good. I will in the future change the right assembly...
2004 Ford Focus SE 2.0L Stall VIN: 1FAFP34384
Been waiting for no news is good news. We replaced the IAC with a Standard IGN. Started fine, but on the highway it would hang up, and the car kept going for several seconds. Got the big scan tool, and reset KAM. To be honest, not sure if the KAM was the is...
2004 Ford Freestar SES 3.9L buzzing VIN: 2FMZA576X4
We could not get the customer to return. Some ideas were intake runner controls hooked up or vibrating. Another idea was p/s lines noisey, our p/s hose looked modified and we will look into that when the vehicle returns. Thanks for the replies and we will post...
2002 Isuzu Rodeo Sport S 2.2L emissions VIN: 4S2CK57D12
it took a while to get a new ecm .now it works fine.
1996 Land Rover Discovery SD 4.0L engine VIN: SALJY1242T
This one is fixed. Most of the replies questioned either the fuel system or the crank sensor/drive plate reluctor. James mentioned the distributor: there is none on my model, else it would have been part of what I would have checked. I had not mentioned it wi...
2008 Mazda 6 i 2.3L No Start VIN: 1YVHP80C58
well guys, after doing more checking and taping and jiggling fuses and relays, found main Relay on fuse box under the hood bad. it works on and off at times causing the engine no to start. when the problem part of the pcm get power from the ignition, but the o... Trouble codes: U0100 (No comunication with pcm/ecm).
2003 Mercedes-Benz CLK320 3.2L convertible top VIN: WDBLK65GX3
Thanks for a Great Service Brent !! And thanks for all the help on this one, Due to us not having a "FACTORY TOOL" This was a challenge, It turned out to be the Window retract switch, located on the left side of the linkage, It sends a signal that the the posi...
2004 Nissan Frontier XE 3.3L steering VIN: 1N6ED27T54
Thanks for all of your help and input. This truck has a defective control valve in the gear box. When we saw dealer list at around $1800, we kept turning our head. Shame on us... Replaced the gear box with a good used and problem solved. I disassembled the co...
2007 Nissan Versa SL 1.8L Control System RPM VIN: 3N1BC11E47
i dit performed throttle position learn whit the scaner and i dit full tune
2010 Nissan Frontier SE 4.0L Evap VIN: 1N6AD0EV0A
don,t know for sure, but after testing each indivdual piece seperate, what took so long to reply waiting on customer, was in 2 days ago for oil service said mil is still off, so not sure what fixed it all same parts been 4 weeks now.
2002 Saturn SL2 1.9L w/bearings
well, the vehicle is gone again... will wait n see i guess. I had a lot of incorrect torque suggestions, and installer error hints... well we replace a lot of bearings in here, and no issues outside of a couple saturns. If/when the car comes back I will try an...
2005 Volkswagen Jetta TDI 1.9L Mechanical gear disengagement VIN: 3VWST71K05
I found a good used tran. Car is fixed. Installed used unit did basic settings. All is well. Just couldn't see loosing anymore time on the original unit. Thank you for the help Jonathan [...] Tim
2006 Volkswagen Jetta TDI 1.9L Wont Shift Past 2 VIN: 3VWRT71K06
Prev (Also Available: All, Asian, Chrysler, European, Ford, GM.) Next