Automotive Technicians Technical Discussion and Fixes for Jan 23, 2010

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Open Help Requests for All Makes and Models

	Help Request	Answers
	1987 BMW L6 3.5L MIL is on VIN: WBAEC8404H Hi Fellows, after rebuild it shifts and runs a lot better and no more slip.Everything is perfect just the tranni gear light is on in the Instr. cluster,which bother us because it was not there before rebuilding. We can scan only BMW before 88 with 20-pin conne...	View
	2002 Buick Rendezvous CX 3.4L engine light VIN: 3G5CAO3E12 Vehicle came to our shop with a engine light on codes were both upstream and downstream o2 sensor slow responce. after testing heaters and powers and grounds installed new (aftermarket sensors) o2 sensors and cleared the codes. Customer brings vehicle back ne...	View
	2000 Chevrolet Blazer LS 4.3L Dash panel VIN: 1GNDT13W4Y This blazer came in yesterday. When I turn the key to the run position the only thing that lights up in the "service engine soon" light. If I turn the headlight switch on the odometer,abs,seat belt,shift idicator light all light up like they should when I tunr...	View
	2001 Chevrolet Silverado 2500 HD 6.0L 6.0L, 4L80E, 4x4 VIN: 1GCHK29U61 Hello GM Tech's, I'm merely looking for some assistance for a complete engine, transmission, wiring, ECU's, swap. I know it's been done before & I'm just looking for accurate information. I would like to swap out the tired 6.0 for a 2004.5-2008 6.6 Duramax & ...	View
	2004 Chevrolet Aveo 1.6L Hesitation, Surge, Misfire, MIL Lamp on VIN: KL1TD62674 Call me a fool but i have read everything on Iatn about this condition and i had the intake and exhuast valves resurfaced! After many trips to a hole in the wall machine shop i decided to take it to another machine shop that told me the valves stem height was ... Trouble codes: P0300, P0700, P1781	View
	2007 Chrysler crate motor 6.1L start We have a 6.1 Chrysler hemi "crate" engine in a 32 Ford roadster with standard transmission.The engine was purchased a few years ago when this project began.At that time the engine was available for off road use only, and used an "AEM" operating system right f...	View
	2000 Dodge Ram 2500 5.9L No Start VIN: 1B71CF2362 Hey Dodge/cummins guru's, I Don't do a lot of diesel work, so I've got a couple of probably dumb questions. Customer has 2000 Dodge with cummins diesel, started and got 1/2 mile and engine died, had been running fine before. Pulled into shop lot opened drain @... Trouble codes: P0230, P0216, P1689 (No communication between ECM Inj pump)	View
	2002 Ford Escape XLS 3.0L warning light VIN: 1FMYUO4122 The e-brake / master clyinder level light glows with e -brake off. lights correctly with e brake on. as I noted in the testig:with the switch on master cyl disconnected the light glows. jumpered light bright. and plugged in the light glows. Thanks for any sugg...	View
	2002 Ford F-250 Super Duty XL 7.3L No Start VIN: 1FTNX20FX2 This truck was running fine and the next morning wouldn't start. It was towed to my shop. I noticed no guages and replaced a blown ignition 30 amp fuse. Guages OK now but still no start. The injector driver module relay chattters constantly now with the key on...	View
	2003 Ford F-150 XLT 4.2L No Start, Poor Idle Quality, Cuts out, Stall, Poor Fuel Economy VIN: 1FTRX17263 I have this headache... It is hard to start cold or hot soak. engine floods when trying to start. if you put new plugs in it will start. i have replace the crank sensor cam sensor with syncro and the pcm, spark plugs, coil, wires and maf. I think i may have ba...	View
	2006 Ford F-250 Super Duty XL 6.0L EGR cooler VIN: 1FTSX21P86 I am replacing a high pressure oil pump on a 6.0L diesel. i know what the book says, but im wondering can i sneak the EGR cooler out (and back in) without removing the intake manifold? Has anybody done this?	View
	2008 Ford F-450 Super Duty XLT 6.4L Keyless entry module VIN: 1FTXW43R28 Where is the Keyless entry module with the code for the keypad located on this truck?	View
	2006 GMC Sierra 1500 WT 4.3L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on, Very Rich VIN: 3GTEC14X06 Runs rough,poor idle, smells rich, cta gets hot, exhaust does not seem restricted. MAF code is hard and MAP code intermittent. Tried 2 MAFs and MAP. No change Trouble codes: P0101	View
	1992 Isuzu Trooper S 3.2L Stall VIN: JACDH58V8N We have a 92 trooper this vehicle runs normal for about 10 minutes of driving then at cruise the check engine light comes on after that the vehicle will die at stop signs. I can keep it running if I feather the throttle and keep the rpm up I have gone through ... Trouble codes: 42 (EST electronic spark timing)	View
	2001 Jaguar XK8 4.0L Valves, head, pistons VIN: SAJDA42C41 The car came in from another shop after being towed there from a roadside. The diagnosis from that shop was a broken timing chain which proved to be correct when I removed the left cam cover and found the secondary chain broken. The motor had run for a "short"...	View
	2000 Jeep Cherokee Classic 4.0L Poor Idle Quality, Stall VIN: 1J4FF58S2Y Hello, I have a jeep that seems to forget to idle, it will run fine for a while and then suddenly wants to chug and die while at a light. Cannot get a consistent time when it does this, the problem occurs hot or cold. Customer stated it died at idle and would ...	View
	2002 Toyota Sequoia Limited 4.7L Factory alarm system VIN: 5TDBT44A03 This cars factory alarm system/theft deterrent system turns on/off like it has a mind of its own. There are no trouble codes in BCM or ECU. The Cars Battery is new 14.65v running and 13.22 not running. Have tried locating a short to ground possibility from ECU...	View
	2005 Toyota Camry 2.4L Misfire, MIL Lamp on has anyone seen a problem like this. this car have been checked by other two tech. they replaced spark plugs and the coolant temperature senor. of course car is back. now car is under my care. fuel trim when it happens is under 7 percent, it has fuel pressure,... Trouble codes: P0300, P0301, P0302, P0303, P0304	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2006 Buick Rendezvous CXL 3.5L Stall, Hard Start VIN: 3G5DA03L36 Thank you for all who responded, The problem ended up being a gummed up throttle body, i wiped it out with top engine cleaner and a rag and the vehicle now idles up on start up like it should.	7
	1990 Chevrolet Camaro Iroc-Z 5.7L Excessive Emissions VIN: 1G1FP2389L THANK YOU FOR ALL THE REPLIES, EGR PASSAGE IS PARTIALLY CLOGGED UP. CLEAN PASSAGE WITH THE OEM EGR VALVE FIX THE PROBLEM. EMISSION NICE AND CLEAN NOW. AGAIN, THANK YOU EVERYONE.	19
	1997 Chevrolet C1500 5.0L Misfire VIN: 2GCEC19M4V It was the lower intake manifold gaskets. They were brittle and falling apart. It's the plastic impregnated with rubber style. I've replaced these because of coolant leaks but never because of an internal vacuum leak. After doing the gaskets the miss went ... Trouble codes: P0300 (Misfire detected).	20
	2001 Chevrolet Silverado 2500 HD 6.0L 1-2 shift VIN: 1GCHK29U61 Thank you for the input regarding this transmission concern. I have agreed with all the help I have received & feel there's no other alternatives but to completely rebuild this trans. Unfortunately with the economy the way it is, the rebuild will have to wait,...	13
	2002 Chevrolet Suburban 1500 LT 5.3L odor VIN: 3GNFK16Z92 WELL THIS ONE IS NOT FIXED. MY INITIAL SUMMERY MENTIONS MOST OF THE SUGGESTIONS HAVE BEEN PERFORMED AND CHECKED. IN ADDITION TO THE ITEMS ALREADY PERFORMED I VERIFIRED THE VENT VALVE DOES OPEN AND REPLACE THE PARCIALLY SATURATED CANISTER (WHICH I ASSUMED WOULD...	14
	2005 Chevrolet Silverado 2500 HD 6.6L Misfire, MIL Lamp on VIN: 1GBHC23285 This is fixed after replacing harness from inj. to ficm, still had problem intermittently. So i replaced wiring from ficm to pcm. Trouble codes: P1244.	5
	2001 Chrysler Sebring LXi 2.7L No Start VIN: 1C3EL56U11 Most likely it is a timing chain issue. the customer dragged his feet for a week on this. He did not want to pay for further diagnostics. So with a disconnected cam sensor he drove it away. Thanks for all the suggestions	28
	2002 Chrysler Town & Country LX 3.8L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 2C4GP44382 Thank you for all the help. We replace the fuse box under the hood. We took the fuse box out of the car and disassembled it and found where the relays plug into the circuit board was completely green with corrision and split. Thanks againg for all the help! Trouble codes: P0300 (random missfire), P0303 (Cylinder 3 missfire), P0302 (Cylinder 2 missfire), P0172 (Rich condition).	10
	2002 Chrysler Town & Country LXi 3.8L Battery VIN: 2C8GP54L32 I'm going to close this request with no useful information to add. I had returned the vehicle to the owner since the problem wasn't present when I was testing it. I just talked to the owner this morning and he said the van has started just fine since. I do ...	12
	1998 Ford Explorer Limited 4.0L MIL Lamp on VIN: 1FMZU32E7W THANK YOU for the wonderful. I replace the PCM and all 4 O2 Sensors now read fine! Thanks EVERYONE! Trouble codes: P0171 (Lean Bank 1), P0174 (Lean Bank 2).	20
	1999 Ford Ranger XLT 2.5L MIL Lamp on VIN: 1FTYR10C3X we adjusted the idle down which help light did not come back on. but there was a signifigant amount of "bog" between shifts. we incresed the idle untill we had a good balance of idle and smooth shift. so fgar so good no mil light truck passed emissions and all... Trouble codes: P1506 (iac over speed error), P0401, P1400 (egr sensor circuit low).	10
	2003 Ford Taurus SE 2-Valve 3.0L No Start VIN: 1FAFP52U23 Well, this beast is finally fixed. It ended up being a combination of things. First off we received a lot of good replies, so I'll try to condense it a bit. A lot of you suspected the MAF sensor and we tried both un-hooking it and also a new sensor. Also sever...	41
	2006 Ford E-250 4.6L Cuts out VIN: 1FTNS24W16 vehicle had an aftermarket filter, box not sitting right reset codes and that took care of the problem thanks guys Trouble codes: P061B (internal control module torque calculation performance), P1000 (obdii system check incomplete).	5
	2003 Hyundai Elantra GLS 2.0L Steering VIN: KMHDN45D23 The vehicle is fixed. Thanks to all who replied. The fix was an OEM belt. The OEM belt was made by gates rubber-stamped right on the belt. We did tighten both belts but i believe the fix was the belt. MOD mentioned to remove and clean the screen in the resivor...	9
	1999 Jeep Grand Cherokee Limited 4.7L Alloy wheels VIN: 1J4GW68N6X As explained in my help request, my fix was to clean off all aluminum oxide from rim, apply Brake-Kleen, bead sealer,new valve, remount & balance tire. My goal was to gather insight as to what everyone is doing to correct this condition. The replies indicated ...	15
	2001 Kia Sportage EX 2.0L front cv and hubs VIN: 6598741236 thanks to all who replied .got exploded view from dealer ,all parts were there. installd new locking hub and put in 4 wheel drive then pushed across shop floor .didnt want to move far.best i can tell one of the diffs has been changed out at one time or anot...	2
	2002 Kia Optima LX 2.4L No Start VIN: KNAGD12642 timing belt . many replies thanks to all. this was unusual because we had compression and the engine was trying to start.belt was missing several teeth and had jumped but was not broken. cams were late causing low vacuum and i think map sensor was adding way...	18
	1998 Lincoln Town Car Executive 4.6L broken rod VIN: 1LNFM81W3W Bryan [...] was dead on. The intake gasket in the left rear corner # 8 cylinder had a tiny crack in it. We are coming off a very cold snap and I think the gasket let in more coolant than it was normally leaking. The tech. noted on his RO last time to monitor ...	9
	1971 Mercedes-Benz 280SE 2.8L No Start VIN: 1102612002 First of all, thank you all for your your input on this thing. I decided to go after fuel delivery first so maybe I could flush it out a bit. Th epump has power and ground but does not pump. We still have no spark except when turning the key on and off, the...	19
	1999 Nissan Quest GLE 3.3L engine VIN: 4N2XN11T9X Thanks to all who replied. David from NY hit it, the dist was bad! Cam pos sensor was out along with the bearing going bad. Replaced dist, vehicle runs great now, no surging or running rough. Thanks Phil	7
	2007 Nissan Versa S 1.8L Lighting VIN: 1NM35TE678 Thanks to Scott [...] and William for their replies. Scott was kind enough to give me the bulb number as well so I was able to get that before I started. William nailed it on the head, What you need to do is insert a screwdriver down from the 12 o'clock positi...	3
	2005 Subaru Outback XT 2.5L all electrical VIN: 4S4BP67C35 Thank you for all the help. Found r211 connector under driver seat for tpms corroded and main cause of problem. the twist is there was/is a 9 inch tear in the floor panel right through the harness and @ the connector. Having customer come in for show and tell....	10
	2000 Toyota Corolla CE 1.8L MIL Lamp on VIN: 2T1BR12E3Y Wow, you guys are the best! The problem was in that EFI power supply to the PCM. We removed the air cleaner box and did not see anything obvious. We were just about to run a new power supply when we pulled hard on the wire. It came apart in our hands. The... Trouble codes: P1600 (ecm battery circuit).	5
	2000 Volkswagen Passat GLS 2.8L MIL Lamp on VIN: WVWVD23B2Y timing was off... Thank you to MOST that replied these cars DO NOT have a key on the cams and a special tools are needed and adjusting the cam position sensor did not work. Trouble codes: P1522, P1340, P0300, P0304, P0306, P0305.	13
	1996 Volvo 850 Turbo 2.3L intercooler VIN: YV1LS5720T thanks guys, imade the hole for the drain larger and everythings sonds good now.	6

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