Automotive Technicians Technical Discussion and Fixes for Jul 18, 2013

Join Now

Prev	Professional Automotive Repair Technical Discussions for July 18, 2013 International Automotive Technicians' Network (iATN) - Members Only	Next
(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
	2003 BMW 325Ci 2.5L Aux Cooling Fan VIN: WBABN73413 Car came in with code 279d and aux cooling fan cycling from off to high for 5 seconds than repeating only with ac on. With ac off works normally as needed to assist regular clutch fan which i replaced with the thermostat {bmw parts}.ihave run the function test...	View
	2004 BMW Z4 3.0i 3.0L Dsc ABS/DSC module has code 5E4F stored. DSC becomes active on hard turns above 50mph such as freeway ramps. Code desciption constant valve operation. Performed steering angle reset and accelerometer reset.Can't find any info pertaining to this issue. Have driven ...	View
	2006 BMW 325xi 3.0L Brake pad wear indicator reset. VIN: WBAVD13586 Ok, Thanks in advance. The front brake pads and rotors have been replaced along with the wear sensor. Now, I am well aware of the required procedure to reset the pad thickness maintenance reminder. My problem is that after I perform the rest the red "BRAKE" li...	View
	1997 Chevrolet K2500 Suburban LS 7.4L Poor Idle Quality, Hesitation, Surge, Misfire VIN: 1GNGK26J4V car came in running rough missfier knock senser code lean +125 lt and st both banks. has replaced dist cap mass air at 9.8 at idle under load goes to 75 pulse width at 4.2	View
	2002 Chevrolet Silverado 2500 HD 6.6L MIL Lamp on VIN: 1GCHC23142 Good day, this Duramax has got me a little perplexed. At idle this fuel system is pulling 10" vacuum, at WOT its at 14". So started at changing fuel filter, no change, changed collapsed fuel lines at filter, no change, dropped fuel tank and inspect sender, no ... Trouble codes: P1093, P0101	View
	2003 Chevrolet Silverado 1500 5.3L horn VIN: 1GCEC19T23 intermittien horn operation, can make it work with scan tool, key fob, and somtimes works at horn pad. have traced down all wires to the steering wheel and are good. when holding down horn switch connector the horn will sound every time, so that tells me it is...	View
	2006 Chevrolet Cobalt SS 2.0L Poor Idle Quality, Hesitation, Cuts out, Stall, MIL Lamp on VIN: 1G1AP11P56 This car came into my shop a month ago. customer stated that in had no power and the ck eng light was on on. the customer had cleared the codes before getting the car here. st the time we got the car it was running good with no codes. Now it is a month later a... Trouble codes: P0069, P0121 (TPS sensor 1 perf.), P1101 (Intake air flow system perf), P1182 (Superchager Inlet sensor perf), P0068 (Throttle Body Airflow perf)	View
	2009 Chevrolet Aveo LT 1.6L compressor/expansion valve VIN: KL1TD56EX9 This vehicle came in with a non cooling AC, static pressure is at about 120lbs.With the guages on it it reads 70psi on the low side and 150 psi on the high side at idle or 1500-2000 rpm, the vent temp is warm.It is 90deg today. This car has either a V-5 variab...	View
	2005 Chrysler 300 Limited 3.5L Sunroof VIN: 2C3JA53G65 Stuck in vent position. Just wondering if anybody had removed a sun roof from a 2005 chrysler 300? several warnings in manual about replacing headliner with new one when removing for service to sunroof. It has no codes and the motor runs with both scan tool an...	View
	2006 Chrysler Town & Country Limited 3.8L Rear Wiper VIN: 2A8GP64L56 Questions would be: What is the operational theory? Does it pulse to ground via delay timer? 3 wires: batt power, ground & signal. I have power and ground at motor connector. What should I look for on the signal? If I short power to signal motor will cycle onc...	View
	2008 Chrysler Sebring Limited 2.4L Power Steering VIN: 1C3LC45K68 I have a 2008 Sebring that I have not been able to get the power steering pump quiet. I has a very loud whine coming from the pressure line on the power steering pump that is most obvious just off idle. At idle its a little loud and gets fairly loud off idle a...	View
	1991 Dodge W250 5.9L voltage regulator VIN: 1B7KM26C1M this one is for the older guys , got an external voltage reg. been through the wiring , reg. to alt . Alt. to batt. checked for opens , shorts & and high res. to my ground . everything tests out good . Replaced the batt. cause over the over charge . Plus this ...	View
	2001 Dodge Ram 2500 5.9L no power VIN: 1B7KC23641 no codes stored but found that oil pressure reads 50 psi with truck off at both dash and scan tools even with sensor unpluged also map reads 56ihg with truck off key on replaced map no change/ Not a deisel tech only tuck this job because it should have bee a s...	View
	2003 Dodge Ram 1500 Laramie 4.7L No Start VIN: 1D7HU18N73 Towed in died while driving. Confirmed no start, has p0355 code. Has no crank sensor reading, tested with versus wave pattern good, at sensor and ecm, swapped ecm and sensor with known good ones still no crk signal. Cam sensor is syncing and has start signal. ... Trouble codes: P0355	View
	2007 Dodge Sprinter 3500 3.0L Mechanical VIN: WD0PF34577 This Dodge has a 3 liter diesel engine with a glow plug light on dash. I ordered a complete set of glow plugs and I was wondering if there are any special tools required to R&R glow plugs and if there are any special procedures before I take it apart. A repair...	View
	2007 Dodge Ram 3500 SLT 6.7L electric fan clutch VIN: 3D7MX39A87 After a road test I could see that the fan clutch wasn't working so I unplugged the programmer and hooked my scanner to it and tried to manually turn the fan on and I got a message saying that it couldn't be completed so I assumed that the clutch had failed. s...	View
	2010 Dodge Caliber SXT 2.0L Starting System VIN: 1B3CB4HA3A vehicle came in with a no start issue apperently the starter is not sending signal to starter. I looke it up on alldata and there no real wiring diagrams for it so im stuck there are no good related problems on google and its a salvage vehicle. apparently igni...	View
	1996 Ford Ranger Splash 3.0L Engine VIN: 1FTCR14U4T I received this vehicle into the shop and customer wanted to replace lifter, because another shop recommended them. We listened for the noise and an engine noise which appears to be a noise similar to a lifter is heard on the upper part of the engine. the nois...	View
	1999 Ford F-150 XL 4.2L lack of power VIN: 1FTZF0725X hey guys i need your help!!i have this 01 ford 4.2 this vehicle has no power at all when taking off from a stop even if you snap throttle it makes some explosions,it does not have any codes,I cleaned maf sensor and replace fuel pump because pressure was at 30p...	View
	2002 Ford F-150 King Ranch 5.4L electric windows, cruise control , rear abs system VIN: 2FTRX18L42 Power windows, cruise control, rear abs, shifter solenoid, gem communication are all inoperative, bypassed brake switch assembly, cruise control, rear abs unit, all I could find on that cirtuit, except gem module, fuse still blows, fuse in passenger compartmen...	View
	2004 Ford F-150 FX4 5.4L speedometer VIN: 1FTPW14524 Truck came in with vct issue repaired with new timing chain and phasers customer stated that speedometer worked before and not after repair. Getting correct reading from oss sensor to pcm replaced sensor twice and plug and wire harness from oss to pcm no mph r...	View
	2007 Ford Taurus SE 3.0L A/c control VIN: 1FAFP53U17 Greetings, Hoping for some help on this one. this vehicles A/C works good, so good it doesn't want to quit when you turn off the key. It has manual a/c controls very basic, not dual air either, however what happens is when the a/c control switch is in Max a/c...	View
	2007 Ford Edge SEL 3.5L ABS/Master cyl. VIN: 2FMDK39C67 Hello gang. We have a weird issue with the brake system on this Ford Edge. Another shop had replaced the booster with a used unit but replaced the master cylinder with a new unit. The pedal was spongy so we had replaced the ABS module after I did some research...	View
	2009 Ford Escape XLT 3.0L Seat belt pre tensioner VIN: 1FMCU93G39 (I have no formal training in airbag systems I was given this job with a "I don't care figure it out") Hello folks, I have a 2009 ford escape that belongs to my boss. It was in a front end collision and my boss decided to make a couple bucks by having me do a...	View
	2010 Ford Crown Victoria Police Interceptor 4.6L No Start, Hesitation, Surge, Stall, MIL Lamp on VIN: 2FABP7BV5A This police unit will drive great at times. Once car is filled with fuel, the engine cranks & cranks & cranks but will not start. Once engine struggles to start & run & idle, with help from some ether, this engine will start up everytime with no issues, until ... Trouble codes: P2196, P2198	View
	2003 GMC Savana 1500 5.3L Instrument cluster VIN: 1GDFH15T03 Thanks in advance for any help on this one. Vehicle came in as a no start. Customer stated instrument cluster gauges and warning lights would fluctuate and come on while driving. Finally vehicle stopped running. After replacing fuel pump and repairing ground i...	View
	2003 GMC Savana 3500 6.0L power lock VIN: 1GTHG39U83 Hello all. I need expert help on this one. This Savana van has an issue with power locks. The unlock works and the lock does not work. Sometimes the locks operate on their own. Using the remote key fob, lock and unlock work. In testing the system, I found that...	View
	2005 GMC Envoy XL Denali 5.3L Assist VIN: 1GKET66M95 Truck came in for harder to steer to the right on the highway. Disconnected tie rods and checked for binding (ok). Checked tire circumference - all within 1/16". Returns slightly faster from the right than left. Steering effort is 5-15% harder to the right. Re...	View
	2005 GMC Sierra 3500 SLT 6.6L Excessive Emissions VIN: 1GTJK33265 Ok we did the head gaskets and all 8 injecters trucks run great it just smoke under load or when pulling it leave a big clould on take off and leaves a light stream untill you let out of the gas or back off to 1/4 throttle i flow tested all my injecter and did... Trouble codes: P1621 (Control module long term memory performance)	View
	2007 GMC Sierra 2500 HD SLT 6.6L No Start, MIL Lamp on VIN: 1GTHK23607 Hello to all, I have this Duramax that has me running in circles. The truck came in with no gauges, flashing A/C light, and no start. If you let it sit for a few minutes it will start, A/C works and the gauges come on line. After about 5 minutes at idle the ga... Trouble codes: U0106, U0101, U0140	View
	2012 Honda Pilot EX-L 3.5L moon roof VIN: 5FNYF4H59C Hello all , This one is for the Honda techs , I have a 2012 pilot with an inop. moon roof . So I check powers and grounds ohm the switch , ohm the wiring between motor and switch .. all good . Now this system isn't complex at all , it's basiclly a window motor...	View
	2001 Infiniti QX4 3.5L low compression VIN: JNRDR09X11 Vehicle came in on wrecker. Running fine day before and no start next morning time to go to work. Engine sounded - mechanically a little odd when cranking , tech connected scanner and found codes , P1610 and P1612 - relate to ignition - anti theft- key recogni...	View
	2002 Infiniti Q45 4.5L Accessories VIN: JNKBF01A92 Car came in with the navigation display is blank. no radio & a/c works on high speed, you cant control the a/c speed or heat, try 2 different used navigation screens & the control units(A/C,Radio Butoons)still the same, sometimes it works perfectly, & most of ...	View
	1995 Jeep Grand Cherokee Limited 4.0L Factory Alarm VIN: 1J4GZ78S8S I have a older gentlemen who is driving this jeep and the alarm going off at night while he is sleeping and his son would like me to disable the alarm so he don't have to keep running over to his house and jumping the jeep. Its a factory alarm. The problem i a...	View
	2001 Lexus ES300 3.0L MIL Lamp on VIN: JT8BF28G11 Greetings: Customer came in with a concern that the check engine light is always on. Verified concern-found p0442-evap system small leak detected. Tested canister control vsv and found it not holding neither pressure nor vacuum. Had to ordered part. Cleared co... Trouble codes: P0440, P0442	View
	2001 Mazda B4000 SE 4.0L Electronic VIN: 4F4ZR17E21 Hellow fellow techs,and thank you all from the start of my plee for help and assistance on this 2001 mazda b4000 4x4 4.0 pick up with a 5r55e trans.Aldata (no data as I call it)has no wiring diagram from trans range sensor connector to pcm connector.Tryed,trye...	View
	2004 Mercedes-Benz CLK500 5.0L MIL Lamp on VIN: WDBTJ75J94 Where to start...8 CAN communication codes in the ME identifying: SCM, ETC, IC, EIS, ESP, Electronic Selector Module and a rough road detection signal. 2 CAN communication codes in the ETC identifying communication with the ECM. 1 CAN communication code in the...	View
	2001 Mercury Grand Marquis GS 4.6L No Start VIN: 2MEFM74W71 The ECM will not ground the fuel pump relay, other than momentarily when the ignition key is first turned to "on". If I toggle the key, the fuel pressure comes up, and the car will start. But dies as the fuel pressure drops to zero. If I jump the fuel pump co...	View
	1999 Plymouth Grand Voyager Expresso 3.3L cruise control VIN: 2P4GP44G9X intermittent cruise not working has power and ground to servo. scanner shows all switches working. on test drive light on dash illuminates until you hit set switch, goes out and cruise will not set. if you cycle the key it will work for awhile and go out again...	View
	2005 Pontiac GTO 6.0L remote locks VIN: 6G2VX12U85 when using the remote to lock doors sometimes drivers side lights come on and stay on until unlock or drains battery. If loud car or bike sets alarm off the lights will come on when nobody is around and drain battery. If remote is not used battery will not dra...	View
	2007 Porsche 911 Carrera 3.6L MIL Lamp on VIN: WP0CA29917 Hello all, We have this 997 in with a check engine light on. No secondary air injection operation. Checking the wiring to the system revealed no power coming out of the pump to the control relay. This system has the relay and the fuse on the ground side. The ... Trouble codes: P0491 (Secondary Air Bank 1), P0492 (Secondary Air Bank 2)	View
	2012 Ram 2500 Laramie 6.7L turbo VIN: 3C6UD5FL8C As stated above not much to add. We did this on another minesite dodge about 6 months ago and there were no issues. Wondering if it is related to the fact that it came in 90% full on the screen and this somehow did something to the turbo. Oddly enough everythi...	View
	2003 Suzuki Aerio S 2.0L Poor Idle Quality, Hesitation, Stall, MIL Lamp on VIN: JS2RA41S13 Came in for misfiring on cylinder 3 - found spark plug center electrode had broken and fallen inside engine. All 4 replaced.. During road test after repair, started stalling out, misfiring, barely ran. Figured internal engine damage. Got it back to the shop a... Trouble codes: P0300 (Random Cylinder Misfire. sometimes), P0304 (Cylinder 4 Misfire Detected.)	View
	1999 Volkswagen Golf TDI 1.9L Unknown VIN: WVWGF31J8X build date 1999 april golf with f129 ac pressure switch...pressure tested with shop air and no leaks but i observed that when i drained the shop air from the system from the high side the high side guage would go to zero right away and low side guage would ver...	View
	2002 Volkswagen Jetta TDI 1.9L Stall VIN: 3VWSP69M82 had this car for 2 weeks came in low power checked turbo operations vaccume hoses vaccume from vac pump when codes are cleared vehicle runs normal until under load and around 3000 rpm the vehicle shuts off like you turn the key off when you restart the vehicle... Trouble codes: P0725, 00529 (no rpm signal from ecm trans code)	View
	2002 Volkswagen Beetle GL 1.9L compressor VIN: 3VWCP21C32 Customer says the compressor will turn off while going up hills in 5th gear but if you shift into 4th the compressor will start working again, it works all the time in town otherwise. Fuse box on top of battery is good. This is a manual A/C system so we are un...	View
	2010 Volkswagen Beetle 2.5L ignition VIN: 3VWPG3AG3A Simple question why does VW recommend spark plug change every 40k if they’re running double platinum plugs.	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2007 Audi A8 Quattro L 4.2L controls VIN: WAUMV44E67 Thanks for everyone's replies and suggestions. The charge was low as stated, we've rechecked several times for leaks and none were found to date. Customer states he can improve a/c performance by turning control head off then back on after starting vehicle an...	4
	2002 BMW 745Li 4.4L No Start VIN: WBAGN63492 First I would like to thank everyone for the help.. definately A LOT of good information...after a good look over to make sure everything was all together and hooked up we had a good talk with the customer and they could not obligate their selves at this time... Trouble codes: 0X281, 0X279, 0X276, 0X276.	10
	2006 Buick Allure CX 3.8L No Start, Stall VIN: 2G4WF58206 I got this Buick fixed. The problem was the fuse box under the hood. Thanks to everyone that replied but especially Terry [...] who gave me some terrific info that once this car finally acted up again I could figure it out. Thanks Glenn Trouble codes: U1016.	4
	1992 Chevrolet Astro 4.3L No Start VIN: 1GCDM19Z2N Ok. So this astro is all fixed and runs great. I would have never originally thought the problem was a mechanical issue being as once it started it actually ran quite good. I kinda had it stuck in my head it over fueling or timing. It would crank fine some tim... Trouble codes: 13 (45 -), 45 (41 -), 41 (43 -), 43.	29
	2001 Chevrolet Suburban 1500 5.3L cylinder head VIN: 3GNFK16T41 Kind of mixed opinions on this one. Some say new only. Some say no problems with reman heads. Some say new engine because of mileage. I installed Remans from ATK. The customer actually decided to use new but when we ordered them from GM they were the same piec...	7
	2004 Chevrolet Express 2500 4.8L Flex plate VIN: 1GCGG24V14 Sorry this has taken so long to close, was in a bike accident and was out of action for a while. We found that the T/Q converter was coming part. Replaced with new bushing. Thanks to all. George	10
	1999 Ford Windstar LX 3.8L Power steering punp VIN: 2FMZA5147X I had to replace the rack again as it was a bad rebuild (leaking into the pass side boot) I also removed the check valve and used Lucas Fluid as a few guys suggested. So far so good !! Thanks guys. Def not a fan of these vehicles. The brackets ford fitted for...	14
	2006 Ford E-350 Super Duty 5.4L Excessive Emissions, No Start VIN: 1FTSE34L96 Replaced pump, Fuel pump module, fuel pressure regulator, and injectors. still have the same problem, But the thank you Dan from Texas I think you hit it the first time dipping is going on key on I have fuel pressure with KOEO I a fuel pressure but as soon has...	23
	2005 Honda Civic Hybrid 1.3L MIL Lamp on VIN: JHMES96625 Thanks to the the five of you who actualy read my post and were willing to offer help without being condescending. That being said the car is fixed. Replaced the NOX cat (again), and sensor 3 started working as it should. So long story short we fixed original ... Trouble codes: P0143, P1130.	7
	2008 Nissan Sentra SE-R 2.5L Fob VIN: 3N1BB61E08 I want to thanks for Your time and replys, since dealer don't want to work on this car because salvage, My Maxidas was able to program the metal Keys but not sure why I can't program the FOB's, I decide to call a Locksmith and after a hard try He was able to p...	3
	2001 Toyota Tundra SR5 4.7L Horn VIN: 5TBBT441X1 Knew it would be simple once we figured it out, the confusing part was all of the diagrams, even OE showed a green or green and red wire going to the combination switch as the horn wire. The black wire from the clockspring to the airbag was actually the horn ...	4
	2006 Volvo S60 2.5T 2.5L vacuum pump VIN: YV1RH59286 We will be installing a pump from Volvo to see if that will help; otherwise the owner will live with the noise. Seems like these pumps vary a lot as to noise levels...	3
	2008 Volvo S60 2.5T 2.5L No Start VIN: YV1RH59298 OK, as usual iATN ROCKS! Turns out the starter motor was the problem. Its been 2 weeks & problem is gone. Thanks for the replies. Trouble codes: ECM50.	4

(Also Available: All, Asian, Chrysler, European, Ford, GM.)