Automotive Technicians Technical Discussion and Fixes for Mar 17, 2007

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	Help Request	Answers
	2000 BMW 528i 2.8L module VIN: BMW528IABS This beemer abs light is on with a code for the left front speed sensor .Checked sensor and is ok,checked circuit from lf to module and is ok.Determined this is a module failure.My question is Bmw offers a repair kit to replace this module instead of the whole...	View
	1994 Chevrolet S10 4.3L anti loc VIN: 1GCDT14Z7R Hi Guys, interesting one here. 94 chevy s-10 4x4. Appears to have all the ABS components. System usually works fine until it gets wet. When starting out dry, system functions normal. After driving in wet conditions, and parking for a period of time. The first ...	View
	1997 Chevrolet C3500 Cheyenne 6.5L engine VIN: 1GBKC34F8V I recently bought (3 weeks ago) this c3500hd to use as my tow truck, had to retire my 88 c3500. I now have more than a week into it transferring the deck and necessary repairs in order to pass inspection.Last night my engine decided to go boom. I finally manag...	View
	1994 Dodge Ram 1500 5.2L forward gear engagement VIN: 1B7HF16Y0R Person I sold this truck to last year just called me from 50 miles away and told me that after driving on the highway the truck wouldn't go after stopping at the end of the off-ramp, acted like it was in neutral. I told him to try low gear which did engage. I ...	View
	1998 Dodge Grand Caravan SE 3.3L Radio/CD player VIN: 2B4GP44R5W When I got this vehicle it had many electrical problems, no crank, flashing heater/rear wiper controls, drivers window regulator, interior lights inop. All this has been fixed, but now the oem radio has no sound from any speaker (and it was working before the ...	View
	1999 Dodge Caravan 3.0L no start VIN: 2B4FP253XW we opened a can of worms on this one. car came to us after wipers quit working. it took some diagnostic time , but we determined that the bcm failed. attempting to save my customer a few bucks, i located a used bcm with matching numbers from a salvage yard. th...	View
	2002 Ford Expedition XLT 5.4L mach audio Thank you in advance for your time! The problem is in the audio system, specifically no bass/subwoofer inop. The vehicle is a 2002 Expedition Eddie Bauer, completely stock with the Mach audio system. All other stereo functions are okay, no bad speakers. I remo...	View
	2003 Ford F-250 Super Duty Lariat 7.3L 2-3 shift VIN: 1FTNX21F73 Hi people, I appreciate all advice. I am not as familiar with trans as I need to be here. Customer had pulled off into some dirt to answer his cell phone. When he was returning to the road, he had some nasty wheel hop in the rear end and the whole truck shutte...	View
	1988 Isuzu Trooper LS 2.6L Poor Idle Quality VIN: JACCH58E2J Hi all, please help me with an 1988 Isuzu tropper, vehicle towed in with no start, I started but have to keep on high idle or it will die, after 1 minute warm up it can stay at idle but rough. Pull # 1 and # 2 spark plug it has spark but idle doesn't drop, # 3...	View
	1994 Jeep Grand Cherokee Laredo 4.0L MIL Lamp on VIN: 1J4GZ58S6R client brought vehicle in with check engine light on. scanned for codes, #21 o2 sensor not reading & o2 sensor shorted-high voltage. vehicle had original o2 sensor. checked current data with engine running, found o2 sensor reading at steady .2 volts. replaced ... Trouble codes: 21 (high o2 sensor voltage)	View
	2003 Lexus SC430 4.3L Poor Idle Quality, Hesitation, MIL Lamp on VIN: JTHFN48Y33 Hello group: Got this vehicle came in with a MIL lamp on and we scanned the computer and find a problem with need B2S1 oxy sensor replacement. But, we are having problem to locate the B2S1...anyone can help? Thank you and have a nice day.	View
	2001 Mazda Miata 1.8L Excessive Emissions VIN: JM1NB353X1 Fuel Pressure is in spec and car runs fine.However the evap & cat monitors won't run therefore failed emmissions. I need mode 6 data and help on getting the monitor to run.	View
	2003 Mercedes-Benz E500 5.0L Hesitation, Misfire VIN: WDBUF70J63 customer comes in complaining car jerks and hesitates at more than 20mph and no power. one week prior to this he had to jump start this car due to a dead battery. we check the spark plugs and looks old but appears to be normal wear. fuel pressure checks good a...	View
	2000 Mercury Sable GS 3.0L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1MEFM5550Y At a loss to fix an obvious missfire. Trouble codes: P0302 (Missfire on cylinder 2)	View
	1995 Nissan Maxima GLE 3.0L unsure VIN: JN1CA21D5S I bought this Nissan from a customer It has alot of miles on it but still a good runing car.There is a terrible noise and vibration on the passenger side that sounds like you had a tire blow out and the rubber hitting under the fender. Another way I can discri...	View
	1995 Toyota Corolla DX 1.8L Surge, Bucking under LOAD VIN: 1NXAE09B4S Ok guys, this is a DOHC 7A-FE engine, nothing special. spent a few days on this one so far (off/on). Original complaint is that vehicle will "buck" under load. We are able to verify this by driving and is intermittent (under load) Have check basics, timing 9de...	View
	1999 Volkswagen Passat GLS 2.8L exhaust noise VIN: WVWMD63B4X after cold start and during warm up - during active air injection phase - car will pop loudly if the throttle is punched and released - i have isolated the noise to the right bank only and it is popping inside the cat. the air injection is active during this t...	View
	2001 Volkswagen Passat GLS 1.8L Hesitation, Misfire VIN: WWWPD63B01 car came in with lean and misfire codes. idle quality was very good. repaired large vacuum leak, now car has extreme lack of power/hesitation.installed new maf, no difference.tried relearn, no difference.checked exhaust back pressure, passed. when test driving... Trouble codes: P0300 (random misfire), P0301 (p0303-), P0303 (p0404-), P0404 (testing and results)	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1989 BMW 735i 3.4L Lock cylinder VIN: WBAGB41020 Good day to all and thanks for the help! My brother sprayed penetrating oil in the cylinder and forced it past where it was sticking and said it turned a little easier with every attempt after that, in a matter of minutes it was good again. I was out of town...	7
	1998 BMW 540i 4.4L abs sensor VIN: WBADE6324W the customer decided to take the car, his budget doesn't allow him to cover such repair at this time. as far as the connector for the abs module, i have a 16 pin connector while alldata calls for a 42 pin connector! i must have an odd ball one here. thank yo...	23
	2003 BMW 530i 3.0L fuel pump relay VIN: WBADT53433 Thanks for all 5 replies ! We did current amp. the fuel pump with vantage & the wave look very good & clean.We tried with new ign. switch & FP relay. But after that i catch it once when you turn on the ign. & FP was not running.Then i connect the multimeter to...	5
	1997 Buick Century Custom 3.1L park/delay posistion VIN: 2G4WS52MXV A big thanks to all who replied,that 'trigger'peice on the park cam always did make contact with the tab everyone kept referring to,just not enough to make that click that it should. I lightly tapped it with a punch and hammer innward(small hammer)until a more...	14
	1994 Cadillac DeVille 4.9L Control head VIN: 1G6KD52B8R We found the control module mounted on the fire wall to have failed. There were some weak connections at the alternator- 3 10 ga. red wires that we repaired first the traced back to control moudle. We had correct input from comtrol head but no output from modu...	2
	1999 Chevrolet Corvette 5.7L oil pres gauge VIN: 1G1YY22G0X Thanks to all who replied...Yes, you have seen this before me and I appreciate your feedback. The third ops was installed, and it fixed the car, but for how long. I will take your advise when, I say when, because of doing this three times already, but I am goi...	12
	2000 Chevrolet S10 4.3L Poor Fuel Economy, MIL Lamp on VIN: 1GCCT19WXY After I replaced the pump, there were a few things that looked different between the new one and the one that was in there. So thought maybe this was the problem-- wrong pump. About 100 miles of driving, the light came on for about a day and then went off and ... Trouble codes: P0446, P0452, P0453.	9
	2002 Chevrolet Trailblazer LS 4.2L MIL Lamp on, Reduced Power Mode VIN: 11GNDT13SX Well, we replaced the ignition switch and the vehicle has been fine since. The reason we changed the switch was because at one point when we tried to start the vehicle after it had sat overnight, it would not crank initially. If the key was held for a few seco... Trouble codes: P1512 (Throttle Control System - Backup System Performance), P1515 (Throttle Positions not within calibrated range).	8
	1993 Chrysler Town & Country 3.3L No Start VIN: 1C4GH54R3P Thanks for all that responded..The fix was a new cam sensor from Chrysler..Was getting bad aftermarket cam sensors three in a row..The scope revealed it.I thought something was weird with that cam waveform.I was able to get a know good waveform from IATN file ...	9
	1996 Dodge Caravan 3.0L No Start VIN: 2B4FP2536T I received many replies to check wiring harness at rear valve cover connection. It was melted together. I split it apart and no change...could have been further in the harness. Unplugged the front o2 sensor and got some voltage back...not full voltage. I wante...	25
	1996 Ford Ranger Splash 2.3L Wipers VIN: 1FTCR10A7T I looked up the GEM module by the one in the car (matching the numbers). It ended up that it was the wrong module. Ordered one for the application and everything worked fine. Don't know how the wrong one got in there.	7
	1997 Ford Expedition Eddie Bauer 5.4L No Start VIN: 1FMFU18L8V I would like to thank all that responded,everyone was on the same track.As was suggested,a careful inspection of the wiring harness around the battery where the wiring harnesses all come together revealed a wiring harness rub thru to the bracket that supports ... Trouble codes: P0355 (Ignition coil E primary/sec circuit fault).	8
	1998 Ford Escort SE 2.0L MIL Lamp on VIN: 1FAFP13P1W Hi fellow techs : Thanks for answering my post. Some of you said the CCRM was the culprit and some said the O2S sensor heater wire was shorted.I replaced the CCRM with a new OE part but did not fix the problem.Next I clipped the O2S heater wire ( orange/blk )a... Trouble codes: P0135 (Bank 1 sensor 1 HO2S heater short or open).	7
	1998 Ford F-150 Lariat 4.6L Misfire VIN: 2FTZX18W2W Thank you all for your help I did do a compression test and all cyls were good I replaced #4 injector and there was no change This vehicle only had the two coils mounted up front Swapped from side Could not get check engine light to come back on but still ran ...	18
	2002 Ford F-250 Super Duty Lariat 5.4L cam bearing caps VIN: 1FTNX21LY2 I want to thank to the three members that responded to my resent help request. Brooks from Texas, and Phillip from Carolina, sent me help info. Phillip said the one cap for each head has 3 bolts. I did note that and I also found that the stamped numbers were u...	3
	1999 Geo prizm 1.8L daytime running lights VIN: 1Y1SK5284X The only similar entry in the archives I found was for a Metro All three respondants & the archives posting suggest left kick panel blue ground connector.This problem was compounded to me by the that both pos and neg signals had been back fed into the system b...	3
	2004 GMC Yukon XL 2500 SLE 6.0L Steering Angle Sensor VIN: IGKGK26U64 Circuit description: The Steering Position sensor(SPS) provides 3 digital signals imputs and 1 analod signal imput to the rear wheel steering control module(RSCM). The analog signal is the Steering Wheel position signal. This is a class 2 signal. The RSCM comp...	2
	1992 Honda Accord LX 2.2L No Start VIN: 1HGCB9851N well as about 90% of you all said it was the main relay we replaced it and it has been gone for week now and all is good, thank you all for your time this is a great tool, RON	37
	1998 Mercedes-Benz ML320 3.2L Starting VIN: 4JGAB54E6W All 17 replies were excellent. Some had me looking into the MAF sensor,shorted, could diasable fuel. This was not the case but it shows the possibilites here. I simply hooked up a noid light to the injector and confirmed light out when engine died. Then spoke ...	17
	1998 Mercedes-Benz E320 3.2L asr/abs VIN: WDBJF65F2W Thanks to everyone who responded to this problem. I tried the suggestions that were offered to me but nothing was working. After checking for a short on the wire for circuit 13 on theBas pump. I found good resistance no short to ground or short to power. I dec...	6
	2001 Plymouth Neon High Line 2.0L MIL Lamp on VIN: 1P3ES46C61 called a freind at local chrysler dealer and they had a pcm in stock. drove the car up and it was replaced under emission control warranty. thanks for your help. this is a good fleet customers mothers car so wanted to go the extra mile. Trouble codes: P0601.	11
	1992 Pontiac Bonneville SE 3.8L 4 th all the time VIN: 1G2HX53L4N I going to have to close this without a fix. Customer picked up car to use and has not returned yet. I told her would need trans to fix problem and she said she could not afford to fix at the present. Thanks for all the help.	9

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