Automotive Technicians Technical Discussion and Fixes for May 8, 2004

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Open Help Requests for All Makes and Models

	Help Request	Answers
	1974 American Motors Hornet 4.2L front brakes VIN: A4C037A726 Customer came in with this car in very near mint condition and wanted to change stock rims to aftermarket rally rims. Problem was studs were too short and rims hit steering arms and tie rods. Would not consider getting right rims, instead wanted us to put long...	View
	1982 BMW 528e 2.7L No Start VIN: WBADK8304C Hello to all. This car came from another shop(Towed in) because they could not started up. They replace both sensors(Engine speed sensor and ref. point sensor) This car had a good fuel pressure and good spark but no injector pulse(we had power to the injec...	View
	1996 Chevrolet Astro 4.3L No Start VIN: 1GBDM19W2T i inherited this van from a friend/contractor who tried multiple things to repair poor running to no start eventually.many things were wrong but now i need some fresh ideas.the distributor was checked for rotor position and reset.new ac delco dist. cap,rotor,p...	View
	2000 Chevrolet Malibu LS 3.1L Poor Idle Quality, Surge VIN: 1G1NE52J2Y Hi guys this is for a good friend of mine that I am trying to help out. She said that this vehicle will surge at times going down the highway or up hills. I noticed that this engine has a little bit of a rough idle, not enough for her to say anything but these...	View
	1999 Chrysler Town & Country LX 3.8L brake light on VIN: 1C4GP64L9X customer states that they park the van and go out to it later or tommorrow and the brake lights are on. he can pull up the pedal about an inch and it goes out.he has checked it before no lights, no pedal gap to pull.he hears a click as the switch goes of when ...	View
	2001 Dodge Ram 1500 Laramie 5.9L Brk lights hazard VIN: 3B7HF13Z71 This truck was sold by a used car dealer and arrived at my door the next day with no brk lights or hazard lights found the wires under dash going to the brk switch melted replaced wies up about 10 inches replaced brk switch and had brk lights but no hazards br...	View
	1992 Ford Explorer XL 4.0L compressor VIN: 4F2CU447NU last year i converted this a/c system to 134a. worked just fine. customer came in for a/c inop today. i found pressures a bit low so i evac and charge system. i have the same problem. the compressor keeps turning on and off repeatedly. i bypassed the low press...	View
	1999 Ford F-250 Super Duty XL 7.3L Excessive Emissions, Hesitation, Poor Fuel Economy VIN: 11FTNW21FO hello, i have 99 f25o giving me grief. This unit doesn't seem to be making any boost pressure. I have changed the map sensor due to a previous code in the pcm (po237-turbo boost sensor a ckt low.) I also changed the pcm after that because my modis wasn't displ... Trouble codes: P0476	View
	2000 Ford Windstar SEL 3.8L power sliding door VIN: 1FALP7633E Customer complains about power sliding door not closing intermittently. I have ran several tests in service manual and performed all applical tsb's I have not found a problem called hotline said to adjust door I have adjusted door every way I know how still no...	View
	2004 Ford Explorer XLS 4.0L pats programming VIN: 1FMZU72E74 I HAVE ONE [...]. HAVING ABS LIGHT COMES ON. SHOWS MISMATCH VIN DTC B-2900. TRIED TO REPROGRAM THE PCM WITH AS-BUILT DATA AND IT WAS ALWAYS BEING SHOWED UPDATE THE PTU. BUT THE PTU IS ALREADY UPDATED WITH LATEST CALIBRATION b-30. AFTER THAT THEFT INDICATO... Trouble codes: P1260 (vehicle immobilised)	View
	2004 Ford F450 6.0L No Start, Misfire After sitting for longer that 6 hours this truck does not want to start. When cranking you can hear a few cylinders firing and after 5 mins of cranking or pulling the induction tube off and running on WD40 the engine will run on it's own but very badly. It mis...	View
	1999 Honda Accord EX 3.0L shifting VIN: 1HGCG1652X AFTER DRIVUNG A WHILE , I GET A CHECK ENGINE lIGHT AND "D4" STARTS FLASHING. PULL CODES. GET A CODE P0715. SOMES TIMES SCAN TOOL WILL RED ZERO FOR MAINSHAFT SPEED SENSOR. SOMETIMES CONTINUES TO READ RPM'S WHILE SETTING CODE. PULLED CONNECTOR "D" FROM PCM. OHME...	View
	1996 Jaguar XJ6 4.0L Excessive Emissions, black smoke VIN: SAJKX1745S Customer's complaint: black smoke going uphill...someone behind her even flagger her down to tell her it was smoking...I verfied only in shop (couldn't see anything on test drive) by quick thottle jabs and black smoke momentarily out of rear tailpipes. Ok...l... Trouble codes: P0420 (Catalyst Efficiency), 1 (testing and results)	View
	1997 Jaguar Vanden Plas 4.0L Clutches & driving components VIN: SAJKN6243V Transmission in this is a ZF-4HP-24. Vehicle has rather severe 3-4 shift at 55-60 kmh under normal acceleration. all other shifts are immaculate. When it enguages into 4th it feels like the tail shaft housing comes up & lightly hits the floor. There is definit...	View
	1996 Oldsmobile Cutlass Ciera 3.1L MIL Lamp on VIN: 1G3AJ55MXT Hi gang, I'm getting drug through the knot hole on this one. I've got a hard code p0325 knock sensor problem. If I tap on the cylinder head I get a knock sensor signal. The sensor resistance is within spec at 100,000 K ohms. The bias voltage on the signal line... Trouble codes: P0325	View
	1988 Other European Mondial 3.2L Warning Light VIN: ZFFXC26A8J The ABS warning light is flashing code 28. I don't have a resource for deciphering the codes on this '88 Ferrari. Any help will be greatly appreciated.	View
	1989 Toyota Land Cruiser 4.0L Excessive Emissions, Hesitation, high idle VIN: JT3FJ62G6K Hi guys i got this land crusier that when hot intermittantely goes high idle 1932 rpm co goes to 9.o7 % . the readings above are when its good also for the sensor readings given. 271ppm HC- CO 9.07%- CO2 9.30%- 02 1.10 NOX 0. the rich mixture must be cooling t...	View
	1991 Toyota Supra Turbo 3.0L No Start VIN: JT2MA71N9M Vehicle was towed in after quiting on the customer. Initial checks revealed good spark at plugs, Cold start injector operational, tries to start on cold start fuel injector. Has no injector pulse to all 6 fuel injectors. All injectors are receiving B+ voltage ... Trouble codes: 14 (IGF signal missing)	View
	1998 Volkswagen Passat GLS 1.8L noise in intake VIN: WVWMA63BWE Hello Gang,I just replaced an obviously bad turbo on this Passat,and there is a weird air pump type of noise coming out of the intake on decel.I have no way of knowing if the noise was there previous to replacing the turbo as the old turbo was so loud it overr...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2002 Cadillac Escalade 5.3L body VIN: 1GYEC63T82 The evidence showed that the throttle was depressed when the accident occured. Rusty from Massachusetts who left one of the replies seemed to be very knowledgeable on the subject and his explanation seems to be right on the money. His reply is as follows. Fr...	3
	1994 Chevrolet S10 2.2L Excessive Emissions, High Nox VIN: 1GCCS1443R Hello, Sorry for the long delay in posting this fix. The vehicle ended up being a long drawn out process as the customer would pick up the vehicle for days at a time before brining it back. Given that everything electronic was working properly and the ports we...	4
	1994 Chevrolet S10 LS 4.3L Misfire VIN: 1GCCS19W2R Wow, I finally figured it out. Someone had put in a pickup coil in the distributor which was of the wrong polarity causing the spark timing on the primary (pickup) to be over advanced in relation to the dist. secondary (rotor to cap). What was happening was th...	15
	1996 Ford Explorer Eddie Bauer 4.0L Surge VIN: 1FMDU34X8T Thanks everyone. This truck is on the road with semi-satisfaction. Since the customer complaint was the surge, I replaced the new PCV valve with Motorcraft. I estimate a 40% improvement. The customer noticed that as well, and is listening to me when I suggest ...	10
	1999 Ford F-350 Super Duty Lariat 7.3L Starting VIN: 1FTWW33F4X Thanks for all the replies- The consensus was an interrmittant high starter draw. While I was unable to confirm this, we went ahead and replaced the starter. Th truck has been gone for a couple of weeks now and all seems ok. Jason [...]	11
	1999 Ford Windstar LX 3.8L overdrive VIN: WFMZA6247X i thank everyone who responded-the majority said there must be a code which there was.this seems to be a pretty major repair with tcc and customer has decided to search for newer model.thanks to this organization there is hope for us independents to stay in to...	12
	1998 Honda Accord EX 2.3L sun roof VIN: 1HGCG5652W Thanks to the 4 Techs that responded. All of your input was good to know but Dave [...] hit it right on the head. Even though I looked at the guides,(one on each side) I didn't check to see if they were loose,sure enough one was,I cleaned around it and retight...	5
	1994 Mercedes-Benz E320 3.2L timuing tensionor VIN: 5JKI89KHF4 i called this unlucky tech and told him he need to tear the tensinor aprt and install it 1 piece at a time . and the darn this was done and out the door i want to thank all the speedy responese this car been driving me nuts on his rack.	22
	1998 Nissan Altima SE 2.4L Stall VIN: 1N4DL0D7WC turned out to be a defective iac valve. the valve was sticking at about 50% open. i replaced the vale and reset all basic adjustments and this took care of the problem. thanks to Mike [...] for pointing me in the right direction.	6
	2004 Nissan Murano SL 3.5L CVT Trans. VIN: JN8AZ08W24 Hi Techs Thankyou for your posts seems that Murano's all have this symptom.We even borrowed a Highlander and it to did the same.Customer will have to get used to it, like driving a stick. Thanks again John	5
	1992 Oldsmobile Achieva S 2.3L No Start VIN: 1G3NL1430N Well I got 22 Replies and almost everyone said the same thing, and almost in the same words. I had never seen one of these engines before, but that is no excuse was just not seeing the trees for the forest. Any way these are apparently known as being hard on...	22
	1998 Plymouth Grand Voyager 3.0L MIL Lamp on VIN: 2P4GP2435W Hi Techs, I received several helps on this van and I suspect a problem with the valves or guides,as many of you suggested. There was suggestions of checking the injector which was ok and vacuum leaks which I couldn't find any and a interesting one about the id... Trouble codes: P0306 (Cyl. 6 misfire).	15
	1989 Porsche 911 Turbo Carrera 3.3L Poor Idle Quality, Surge, Stall VIN: WPOJB0935K Replacing the fuel distributor fixed this car...Thanks for your help Greg!	5
	1999 Porsche Boxster 2.5L door / window VIN: WPOCA2983X Customer came back when problem was happening...When I lifted the door handle window would not come down...Smacking the door near the door latch assembly would activate the failing micro switches in the latch & the window would go down...Replace the latch asse...	5
	1997 Saturn SL2 1.9L speedometer, tach VIN: 1G8ZJ5276V All the replies I received involved checking for power and ground etc. However, we determined that the gauges were damaged by applying a little too much force trying to pull them from the front of the cluster before removing the retainer nuts from the rear of ...	8
	1997 Suzuki Sidekick JX 1.6L MIL Lamp on VIN: 2S3TDO3V7V problem solved, i only had three response to this and of the three only one i had not already considered, the fix ended up being associated with the crank sensor having been damaged at some point (tip cracked) and oil accumulation on it and the electrical conn... Trouble codes: P0300.	3

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