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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for September 10, 2014
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
2003 Audi A4 1.8L MIL Lamp on VIN: WAUVC68E63
car runs well, previously had multiple codes. only code returning now is p0171 (generic obd) vehicle specific scan shows 17544 lean mixture. long term trim runs about 6.5 % most of the time. smoke test is good fuel pressure is good. cannot find any reason for ... Trouble codes: 17544 (p1136 lean mixture)
2005 Audi A4 2.0L Oil consumption
Sorry for no vin, but I'm home and it's at the shop.05 Audi A4 2.0 liter Turbo came in on a hook 10 days ago Smoking oil out the tailpipe like a crop duster. Got into shop to find very little oil in engine and 2 quarts in the intercooler. Customer had told us ...
2003 Buick LeSabre Limited 3.8L Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 1G4HR54K53
Hey gentlemen sorry for the long post this buick is kicking my butt. And thanks in advance for the help but i have this lesabre with a 3.8l. Start it in the morning runs good take on a test drive and when it gets warm under light accel, the vehicle will buck l... Trouble codes: P0102
1999 Chevrolet Express 3500 6.5L Stall VIN: 1GCHG39F0X
customer brought van in complaining of stall on deceleration asked us to change fuel filter. Now the van cranks and runs for about 3 min sometimes less. Is it possible the injection driver has failed again this quickly. I am not a diesel mechanic by any means ...
2003 Chevrolet Monte Carlo LS 3.4L boggs down VIN: 2G1WW12EX3
vehicle boggs down like plugged cat we changed also runs better with egr unplugged we changed egr valve
2007 Chevrolet Suburban 1500 LTZ 5.3L airbag light VIN: 1GNFK16327
hi gm tech i need help on how to test slow speed data line . ihave no communicatin slow speed line on all modules related to .have no problem high speed ecm trans abs body . i need so insite on voltages . i have pulled sp200 connector and sp300 + sp201 removed...
2008 Chevrolet Silverado 2500 HD WT 6.0L ride VIN: 1GCHC29K58
Thanks for your time. I hope some chevy guys have some ideas on this one. This is a company truck in good condition. It came in for 2 front tires about 2 months ago. Fast forward to 3 weeks ago it came in for 2 rear tires & an alignment. He brought it back tod...
2011 Chevrolet Cruze LT 1.4L Ignition Lock VIN: 1G1PF5S97B
Replaced brake pedal positioning sensor. Cannot get key to go back to lock position. I'm getting voltage to the ignition lock cylinder control solenoid actuator and when you take a test light to ground and back probe the other wire at the connector the solenoi...
2002 Chrysler Town & Country LXi 3.8L No clutch engagement or cooling fan engagement VIN: 2C4GP54L32
Members of iatn I thank you in advance for your help. I have this Chrysler town and country in that we replaced the above items on in repair history. When we charged the system and went to fire it up the fans do not come on when pressing the ac switch on the d...
2001 Dodge Ram 2500 8.0L MIL Lamp on VIN: 1B7KF23W91
Hello all I have this pickup back again with the original P0442 evaporative emission small leak detected. I have had the fuel tank partially down and smoke tested it separate from the rest of the system. Nothing showing with smoke test, system is showing seal.... Trouble codes: P0442 (Evaporative emission small leak)
2002 Dodge Durango SLT 4.7L Mechanical VIN: 1B4HS48N62
Engine leaking coolant from under head gasket. Pulled heads and had them worked. Machine shop said they looked good had to put a min. surface on them. (used machine shop 100 times with no problems) Installed heads with new timing components. Went to crank and ...
2006 Ford E-350 Super Duty 6.0L No Start VIN: 1FTSE34P46
Customer was driving vehicle at 60 mph and hit a bump big enough for foot to come off of gas pedal. When he put foot back on pedal, engine was dead. No other codes other than p2291 icp too low. Replaced oe sensor, pressure slightly high, but still no start. My...
2001 GMC W3500 Forward W3S042 5.7L headlights VIN: 4KDB4B1RX1
Hi,having trouble locating the headlight relay on this one.there was a short circuit in headlight wiring. I found the fault and corrected that but haven't been able to locate main fuse or relay as I have no information for this truck. Is there a hidden fuse bl...
2004 Honda Accord EX 3.0L navigation system VIN: 1HGCM66874
Navigation screen says "please check your disc". I have the 2003 nav disc and a 2013 nav disc. neither disc makes a difference. I removed head unit to inspect connections, they are all good. radio works. We are toyota dealer and dont have good aftermarket scan...
2006 Honda Odyssey EX 3.5L Drivers Vent VIN: 5FNRL38616
Intermitently it wont blow cold air from drivers vent. It blows cold from passenger vent and sometimes the drivers vent. I suspect the drivers heater motor. Has anyone changed one of these or seen this. Thanks for your time!
2007 Hyundai Veracruz SE 3.8L brake lights VIN: KM8NU73C37
Brake lights work when no headlights are on but dash lights come on when pedal is depressed, Brake lights Don't work when headlamps are turned on though connector looks good Have power at two terminals and ground at switch connector I'm guessing its back feedi...
2011 Isuzu NPR-HD 5.2L MIL Lamp on VIN: JALC4W161B
-Truck towed in full limp in mode. The driver had been using vehicle with dsl fluid warning lights on for a year or more. We had the can baked and then replaced the fluid injector after we could not clear P20C9. Other codes come on on road test. Does anyone wo... Trouble codes: P20C9, P244B, P2463, P20AD, P1490, P205D
2005 Jeep Grand Cherokee Limited 5.7L MIL Lamp on VIN: 1J8HR58265
Hello iATN..05 Jeep G. Cherokee 5.7l. Customer states, intermittent loss of throttle response and cel. After the key is cycled, it returns to normal. I am able to duplicate the condition...sometimes it happens right away, sometimes I may have to drive it a whi... Trouble codes: P2101, P2110
2002 Lexus ES300 3.0L ABS an Suspension VIN: JTHBF30G22
We have a problem with the fuse blowing on the ECU-IG 10amp, We have traced it down to a possible vsc and abs computer, When I unplug the computer the fuse dosesn't blow. But this is were I am having a hard time saying the computer is bad. What I dont understa...
2008 Mercedes-Benz S550 5.5L Cruise control VIN: WDDNG71X08
The customer says that while he is driving in traffic, there is a loud beep , and a warning comes up on the cluster. There are two different messages: Distronic Plus unavailable , and Park assist unavailable. I have driven the car numerous times, and cannot ge...
2006 Mini Cooper S 1.6L Hesitation, EML light VIN: WMWRH33526
Hi folks, looking for some ideas. This Mini has a very intermittent EML light activation with a reduction of power. It is setting code 001498 (P1498) but only while the light is active, the code does not get stored for some reason. We were lucky enough to have... Trouble codes: P1498 (Unmetered air after compressor)
2004 Nissan Sentra 1.8L No Start, Stall, MIL Lamp on VIN: 3N1CB51D84
Have tested sensor terminal and Have Battery voltage pin 1, Ground Pin 3, 0 resistance on center pin to ecm pin 14. Installed aftermarket Camsensor( Beck Arnley), engine runs nice no issue, no code... After a week, stalled after highway run again, code p0335,... Trouble codes: P0335 (p0340- Code Set after new cam sensor install), P0340
2006 Nissan Frontier SE 4.0L Recirculation (Intake Door) Motor VIN: 1N6AD06W36
Hi Everyone: I have a 2006 Nissan Frontier with a manual A/C system. Some time late last year, the recirculation motor, or as Nissan calls it, the intake door motor would cycle to allow the door to be in the open position to allow air in from the outside. This...
1999 Plymouth Grand Voyager Expresso 3.3L No Start VIN: 1P4GP44G0X
we installed a jasper motor and now van starts and dies after 3 seconds. then wont crank while turning key until after a few minutes or if I disconnect harness to the injectors and cam sensor. I have checked all injectors for short and all ohm the same at the ...
2006 Pontiac G6 2.4L sidecover VIN: 1G2ZF55B56
Vehicle was in accident, side cover [ driver side axle goes through this cover ], is cracked. Is it necessary to remove transmission from vehicle? We are not a transmission shop but this job looks straight forward.Looks like pull drive shaft and perhaps lower ...
2003 Saturn Vue 2.2L transaxle VIN: 5GZCZ43D43
installed used trans when cold grabs gears fwd and rev. when warm slips loud sounds like pump pushing air went through mitchell guidelines to check fluid levels repeated them 3 times to ensure proper, installed new cooler lines for possible check valve stickin...
2004 Toyota Highlander 3.3L Instrument cluster, HVAC, cooling fans VIN: JTEEP21A74
This Toyota is driving me nuts. It keeps popping the 10 amp Heater Fuse in the interior fuse panel. According to Mitchell, this fuse is associated with no less than 10 subsystems in one way or another. When the fuse pops, the instrument cluster and HVAC stop w...
2007 Toyota Sequoia Limited 4.7L Driveline noise VIN: 5TDBT48A47
Vehicle has a driveline noise that starts at about 5-10 m.p.h. and increases with speed. It doesn't sound like a wheel bearing and it isn't coming from the back of the vehicle. We removed the front differential, drive axles and front driveshaft. Noise is still...
2012 Toyota Tacoma 4.0L Warped heads, No compression VIN: 5TFUU4EN0C
Greetings from Wisconsin! We have a base model Tacoma 4x4 we will be putting an engine in. Manual states tranny has to be removed to get engine out. Is that a must or could a guy drop the front diff and slide forward and out or just jack the tranny and motor u...
2005 Volkswagen Passat GLS 2.0L loss of power VIN: WVWCE63B15
Hi vw guru guys, i could use your input in verifying this problem. Car came in with broken chain (BHW 2.0 TDI). we fixed chain by upgrading to gears, got motor back together no problem. found worn turbo impeller and replaced turbo charger. also replaced egr in... Trouble codes: 16683 (boost pressure regulation. Control range not reached), 18628 (oxygen sensor b1 s1. signal too high rich)

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2011 Audi A4 2.0L Cam Timing VIN: WAUAFAFLXB
Took the car back apart a 3rd time, found both balance shafts are completely seized. I am calling this one an oil pressure problem. I am recommending an engine to end this nightmare.
2003 BMW 325Ci 2.5L Convertible top
Ok, this one is fixed. What is the first law of electrics? Check the fuses! The car has 5 fuses for the roof, this car had a bad connection on fuse 46 in the glove box. The fuse was not blown but the upper contact was bad, as I wiggled the fuse with my test li...
2007 BMW X3 3.0si 3.0L Battery VIN: WBXPC93487
We could never catch the vehicle with a drain after 3 weeks of daily monitoring of the system. The final stage module, coolant fan module, alternator and other modules were disconnected. The vehicle sat over the last weekend outdoors and the battery was totall...
2007 Buick Lucerne CX 3.8L Starting VIN: 1G4HP57227
Automatic Leveling module was bypassed then I was able to communicate with some modules but BCM was Hot replaced both reprogrammed and started up thanks To all Scott
2006 Chevrolet Cobalt LS 2.2L No Start VIN: 1G1AK55F26
this one is fix thanks to you guys this car had a steering module that was dead & that module carries the 120ohm resistor & not the bcm like I thought Mitchell did not show this module at all well I unplug & bypass that module, reprogram used pcm relearn th...
2007 Chevrolet Impala SS 5.3L No Start, Cuts out VIN: 2G1WD58C47
Thanks everyone for your replies. Bill from Florida was right there was only 1 pink wire 493 was running from ECM IGN fuse to ecm we cannot duplicate the problem but we run the wire from fuse block to ECM. I thought it fixed the problem we take the car for te...
2001 Chrysler 300M 3.5L Shift VIN: 2C3HE66G91
2006 Chrysler Town & Country LX 3.3L engine VIN: 1A4CP44R76
Thanks for all good info on this.it did indeed have a cracked flywheel!
2000 Dodge Durango R/T 5.9L No Start VIN: 1B4HS28Z0Y
sorry I don't have a fix for this vehicle has not acted up since we looked at it so I don't know if we sealed something or if it was a bad connection but thanks for the responses
2006 Dodge Ram 2500 SLT 5.7L MIL Lamp on VIN: 3D7KS28D06
I replaced the TIPM and so far so good... (It did have a new computer put in it a short time ago.) Thanks for all your help. I hope I never see it again except for oil changes and tune-ups! Trouble codes: P0388 (Automatic Shutdown).
2005 GMC Sierra 3500 SLT 6.6L Compressor VIN: 1GTJK33275
Thanks for all the help guys! The fix was indeed the fan clutch. Looking and feeling the clutch , it seemed to be working plenty good. It would suck a shop towel up to the condenser and hold it there no problem but we rolled the dice and replaced it with a goo...
2009 GMC Sierra 1500 SLE 5.3L No Start, MIL Lamp on VIN: 1GTEK29079
I checked the voltage at the battery, alt, and at the fuel pump module. The batt, alt, and module are alt right at 14.0. The 5v ref is right at 5.0v. I measured resistance, to ground, voltage drop to ground, etc. Everything seems to be ok. I can cannot find an... Trouble codes: P0193 (fuel rail pres sens A circ high), P0641 (sensor ref volt A open), P06A6, P069E.
2005 Infiniti G35 3.5L Bcm VIN: JNKCV54E35
The code worked with no problems. I was able to program 3 keys and the new BCM fixed the original power door lock issues. Thanks to Eugene for providing me with the code.
1997 Jaguar Vanden Plas 4.0L Cuts out, Stall, Misfire, MIL Lamp on VIN: SAJKX6243V
Well this one is finally fixed. Thanks to all who replied with excelent tips. Bob hit this one right on. The customer had stated that he had 4 coils replaced. I replace the to others and still had the problem. When I replaced the other 4 the problem was gone. ... Trouble codes: P1777 (p1775-), P1775.
2007 Jeep Compass 2.4L Booster/Master cylinder VIN: 1J8FF47W97
Thank you all for your comments. There was no contamination of the brake fluid, the part number for the master cylinder is correct and the new booster, while updated was rechecked again, and is correct. What we did to fix the vehicle was ti put in a spacer ga...
2004 Mercedes-Benz SL600 5.5L Misfire, MIL Lamp on VIN: WDBSK76F14
Thanks to all who responded special thanks to Dave. The car is all set the coil packs were at fault we replaced both coil packs and decided to do the control module also to prevent future issues. Thanks again, here is Dave's post Very helpful so I have include... Trouble codes: P0306, P0305, P0300.
2006 Mini Cooper S 1.6L ABS, speedometer, warning lights abs, brake VIN: WMWRH335X6
Did further testing and found blown ABS module fuse, Cleared all codes, test drove twice and fuse did not blow again.
2004 Toyota Tacoma Pre Runner 2.7L Poor Idle Quality, Misfire, MIL Lamp on VIN: 5TENM92N04
I'm a Ford guy, so what I had on hand was a CRC induction product for cleaning intake valve deposition in ford/mazda direct injection engines. I only used half the can because I didn't want to get too aggressive, but the rough idle is gone. With hands on the... Trouble codes: P0442 (Evap Emission Control System Leak Detected Small Leak), P0446 (Evap Emission Control System Vent Control Circuit).
2010 Toyota Tacoma 4.0L charge lamp inop no charge VIN: 5TEUU4EN1A
thanks for the replies found open in underhood fuse center alt ign wire passes thru to a connector, power in no power out. bypassed fuse center and all is good.
2007 Volkswagen Jetta Wolfsburg Edition 2.5L 2-3 4-5 VIN: 3VWEF71K27
Owner is trading it in. Fans locked up then locked up ac compressor then must have heated up transmission. But if valve body is 1500 and fans are 500 and compressor 350 used transmission 2500. Vehicle is not worth it. I've seen plenty of these with over 150k m...
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