Automotive Technicians Technical Discussion and Fixes for Aug 18, 2007

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Open Help Requests for All Makes and Models

	Help Request	Answers
	1998 Audi A6 2.8L Unknown VIN: WAU45TFJHW Attention all Audi masters... I have a 1998 A6 2.8 quattro with a check engine light and 3 faults, also it doesnt come out of first gear (like in limp home mode) and bangs when shifting from P to R or D... Anyhow, the codes are P0705 (Trans Range), P1857... An...	View
	1992 Buick LeSabre Custom 3.8L drivability VIN: BU41RGHL6H This vehicle shuts down after about 35-45 minutes of running.If you let it sit for about 5 minutes it will restart but runs rough for a few.We changed the furl pump because it seemed to be starving for fuel right before it shuts off.Also replaced the ignition ...	View
	1987 Chevrolet Camaro Z28 Iroc-Z 5.7L converter VIN: 1G1FP87F8G When driving at highway speeds (above 50 mph) torque engages and works find.when drving at 30-35mph torque convertor pulsate in and out,look at scanner the computer is commanding on and off, checked tps,knock sensor.checked on alldata cannot find what tells th...	View
	1995 Chevrolet Blazer 4.3L Excessive Emissions, Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GNDT13W6S This Blazer came into my shop barely running MIL light on spewing rich fumes, the wires shorting out and plugs looked to be original. The tune up did not solve all problems. I immediatly get the P0325 knock sensor code. I replaced the sensor and checked all co... Trouble codes: P0325 (bank 1 knock sensor), P0300 (multiple misfires), P1441 (evap purge)	View
	1997 Chevrolet Blazer 4.3L No Start, Poor Idle Quality, Hesitation, Cuts out, Stall, Misfire car blew radiator hose, was wreckered in. found it has a no start. one shot of carb cleaner starts and runs a little rough, egr responds good. shut it off, and same thing. have to use carb cleaner to get it to run. hot or cold.only thing out of specs is fuel p...	View
	2001 Chevrolet Express 1500 4.3L Hesitation VIN: 1GCFG15W41 vehicle came in for cel, miss and hesitation.. initially found arcing wires po300 code and converter broken internally and rattling.. performed tune {ac plugs), cap, rotor,wires fuel filter and pcv. air filter ok..replaced converter pipe and all 3 O2 sensors. ...	View
	2004 Chevrolet Silverado 3500 6.6L fuel injection VIN: 1GMC245J87 2004 chevrolet 3500 6.6 duramax diesel 6 speed auto BLUE- WHITE SMOKE COMING FROM EXHAUST. The owner complains that after warming up and sitting for a few minutes, this truck starts to develope blue- white smoke from the exhaust. The smoking is worse when you...	View
	2002 Chrysler Sebring LX 2.7L cv axle,transaxle assembly VIN: 1C3EL46R92 Hello everyone.This is my own car and I am at wits end.There is a clunking in the left front.Sitting in the drivers seat it sounds like it is coming from the left wheel.It can be felt in the driver's floor.I recently changed the front wheel bearings(making noi...	View
	1997 Dodge Ram 1500 Laramie 5.2L Poor Idle Quality, Hesitation, Surge VIN: 3B7HF13Y6V vehicle starts to lose power and pop back through the intake can feather the throttle and get the thing to run good again sometimes the problem never occurs no check engine light ever on and no codes are stored or pending	View
	2003 Dodge Ram 1500 SLT 4.7L rear end VIN: 1D7HA16N33 I need a dodge tech in a bad way on this one. The truck came in with a leaky pinion seal and a noisy rear end. My tech rebuilt rear diff installed all new bearings seals gears and pinion flange. Customer was happy and left only to return with 500 miles on repa...	View
	1990 Infiniti Q45 4.5L No Start VIN: JNKNGO1C3L Problem started after installing used engine.Old engine ran rough due to bad cylinder rings. Spark plugs get wet with fuel. Fuel pressure reads 60 PSI when cranking. We changed pressure regulator for another used one but pressure remains at 60 PSI. If we disco...	View
	2004 Infiniti G35 3.5L Radio VIN: JNKCV54E24 Vehicle came to me after body shop and dealer could not correct problem. The problem is that when you turn the radio on all is well. However, when turning on the rear window defroster with the radio on, the "ST" signal in the radio display goes out and the sou...	View
	1992 Mercedes-Benz 300SE 3.2L oil in coolant VIN: WDBGA32E7N Hello,I received this car to finish an incomplete head gasket job.The customer purchased the car like this with the head on the car with new head bolts,torqued and timed.The job started by an excellent Mercedes tech,who got injured and could not finish it. Fi...	View
	2002 Mercedes-Benz CLK430 4.3L alt.no charge VIN: WDBLJ70G82 customer said that the car will quit some of the times.he drove the car to the shop.I test drove the car, never had it to quit.Noticed while on the test drive that ths BAS,ESP light would come on.Checked the system with the snap on motis scaner for codes,no co...	View
	1994 Nissan Maxima SE 3.0L pistons VIN: JN1EJ01F6R This vehicle was disassembled at another shop. It came to us on the back of a truck with the engine in the trunk. We have been asked to determine the cause of the engine failure and to repair or replace it. The engine had been run two quarts low on oil on occa...	View
	2003 Nissan Altima 2.5L Stall VIN: 1N4AL11D63 Thank-You to all that is taking the time to read. Customer states car died while slowing to turn without warning. The car restarted normally with no unusual drivablility. It would not repeat for myself so I pulled code po725 engine speed to tcm not recived and... Trouble codes: P0725	View
	1995 Pontiac Grand Am SE 2.3L oil pressure VIN: 1G2NE55D7S Car came in because oil light was staying on. Just came from another shop that had tried replacing the oil pump to fix this issue. After the repair, light was still on, and that shop recommended a motor. So this is where I stepped in When I first looked at it...	View
	1988 Porsche 928 S4 5.0L heater valve VIN: WP0JB0927S check for vacume at the water valve and at the vacume solonoide no vacume. checked curint at solonoide and no currint. control head not sending power to solonoide to send vacume to water valve. all other solonoides working properly ac turns on and cold when I ...	View
	1995 Toyota Celica GT 2.2L vehicle speed sensor VIN: JT2ST07N5S I have a 95 Celica GS Automatic 2.2l with no speedometer. I tested power and ground to sensor at connector, I have both. I need to replace the VSS "Vehicle Speed Sensor". I have removed the bolt holding the sensor in the transmission, however the sensor will n...	View
	1999 Volkswagen Beetle GL 2.0L under hood VIN: 3VWBB61C3W Hello out there and thanks in advance. This one came leaking coolant out the timing cover. Replaced T-belt, water pump and hoses. Performed double check after some miles and found no leaks. We were not happy with the after market lower radiator hose so I repla...	View
	1999 Volvo V70 2.4L angle gear? VIN: YV16Z256D1 Upon turning there is a lound speed sensitive clunking, a little more prevelant going right. Customer continued to drive a few days til the sound was present going straight down the road. When driving it emits a softer clunk and almost grabs but at a slower fr...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1999 BMW 528i 2.8L MIL Lamp on VIN: WBADM6337X I want to take time to thank all of you for your help,it turn out to be the right rear wheel speed sensior, a broken wire.With the code 125 I replaced the thermostat,found it to be broken.THANKS AGAIN. Trouble codes: 125 (coolant fan cicurit problem), 214 (vehicle speed).	3
	1987 Ford Taurus L 3.0L EGR Inop. VIN: 1FABP55U3H Thanks to all who responded I checked the following inputs as suggested, MAP, ECT, ACT, SPEED, TPS and of course the PFE signal with a break out box. The problem however was simpler than that, as suggested I backed up a few steps and found a bad ground at the ...	16
	1989 Ford Bronco Custom 5.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire VIN: 1FMEV15N5K Well I did not find any one thing that was the problem. I had to change the framerail pump that quit working and the fuel pressure went to 38 lbs. I also rechecked all of the grounds again and the powers. Rechecked all of the sensors. I did find a Problem in t...	15
	1995 Ford F-150 Special 4.9L no forward the 5 responses were very helpful. the actual problem was a small mistake that had big consequences. what i did wrong was, put the thrust washer that sits right above the forward clutch in the wrong place keeping the clutch from fully applying. of course it ...	5
	1998 Ford Explorer Eddie Bauer 4.0L Alternator? VIN: 1FMZU34E1W Well start of a new day and the Explorer is fixed. looking at the wrong side not only do you need power but yopu need a ground. Some one but in a transmisson about 6 months ago tighten up the bot and nut to the ground wire but left the stud holding down the st...	4
	2001 Ford F-150 XL 4.2L motor swap VIN: 1FTDX172XV WELL ITS BEEN A WEEK NOW. THE GUY WILL BE BRING IT BACK IN A COUPLE OF WEEKS FOR CHECK UP. BUT SO FAR SO GOOD. THE F150 RAN GOOD WITH NOT A WHOLE LOT OF POWER LOSS... TOWING MIGHT BE DIFFERENT NOW... HAD TO BREAK THE MOTOR ALL THE WAY DOWN TO BARE. SWAPE...	15
	2005 Ford Crown Victoria 4.6L Poor Idle Quality, Stall, MIL Lamp on, No Communication DLC VIN: 2FAHP71W35	14
	1997 Lincoln Mark VIII 4.6L Cuts out, Stall VIN: 1LMLN91V9V We could never get this vehicle to act up. after talking to customer he let us replace the crank sensor on a hunch. it was one fix that had not been tried elswhere. we could find no problems with evap system. None of the connections showed evidence of cor...	5
	1973 Mercedes-Benz 280SE .0L kingpin VIN: 1080671202 thanks for all of the very quick replies.One mkp=7.234 ft lbs or just under 10nm. the problem though was in the torque spec itself.The factory manual claims a tourque spec of 9mkp or 65 ft lbs.There was no way that it would work,it was too tight. I ended up...	15
	1997 Pontiac Sunfire SE 2.2L timing chain VIN: 3G2JB5247V YES you can remove the timing cover with out removing the oil pan on this Sunfire 2.2 engine however these studs were terrible to get out -there is supposed to be inverted torx head on the stud but these did not have enough life left in the torx head to come o...	8
	1999 Suzuki Grand Vitara JLX 2.5L Stall VIN: JS3TD62VXX Hi everyone, This turned out to be a fuel pump and oxygen sensor combination. Thank you to everyone who responded. Jim Trouble codes: P0171 (Bank 1 lean), P0174 (Bank 2 lean).	7
	2003 Toyota 4Runner SR5 4.0L hatch door VIN: JTEBU14R53 it was the latch assembly. replaced and the truck is fixed. thx	2
	1999 Volkswagen Passat GLS 2.8L Misfire VIN: WVMD23B6YE I bought a smoke machine and when I hooked it up to the intake I found 2 leaks one was the seal at the throttle body and the other was a short hose that branches off to a t.Fixed both problems and everything is good. With out the smoke machine I don't think I ...	7

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