Automotive Technicians Technical Discussion and Fixes for May 25, 2009

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Open Help Requests for All Makes and Models

	Help Request	Answers
	1996 Chevrolet Cavalier 2.2L No pcm/theftlight on /no main relay VIN: 3G1JC5249T I,ve checked pcm for water intrussion, it appears ok circuit boards seem ok .I found a splice in the front harness under battery that was green re:grounds and the pink wires[splice again] ,same dido. Both repaired,incuding all three grounds under battery G110....	View
	2000 Chevrolet Astro 4.3L cooling system VIN: 1GCDM19W1Y Hi Techs - I'm working on a 2000 Astro rwd van with the 4.3 engine. It has a cooling leak that is visible during 10psi pressure test - drips off of the bottom of the PS pump bracket at the drivers front of the engine, down onto frame crossmember. Definitely co...	View
	2000 Chevrolet Venture 3.4L Fuel gauge VIN: 1GNDX03E9Y Purchased new sending unit, as old one was contacts were worn. Gauge goes to full, then after about 1 minute drops to empty. Tested for continuity, good all the way between ECM and sender connector. Resistance changes with movement of the sweep. Snap-On scanne...	View
	2003 Chrysler PT Cruiser Touring 2.4L Excessive Emissions, Poor Idle Quality, Hesitation, Surge, Stall, MIL Lamp on VIN: 3C4FY58B63 low vaccum po106 map performance code. thanks in advance for replies. vehicle came in with rugh idle, stalling and the above code, found exaust cam retarded on tooth, fixed and checked all timing marks, vehicle improved but still has code and low vaccum, smoke... Trouble codes: P0106	View
	1997 Ford Thunderbird LX 3.8L Hesitation, Stall, MIL Lamp on VIN: 1FALP6247V Ok this car has been one of those that I just can't seem to fix and get out. It started about month ago. The car had an intake leak and an odd starting problem. Intake leak was repaired and I then began investigating the starting issue. When you tried to start...	View
	1998 Ford Taurus SE Comfort 3.0L crank gear,oiling. VIN: 1FAFP53S7W I have a 98 taurus that is my daily driver, replaced timing componants one year and 6000 miles ago due to right intake cam off 2 teeth I never found anything wrong with either tensioner but installed the entire timing kit anyway. Now after 6000 miles of no pro...	View
	2004 Mitsubishi Galant LS 3.8L No Start VIN: 4A3AB36S74 I have 2004 Galant ls that will not start for about ten minutes after fill up. This problem only happens when the customer fills the fuel tank to full. It does not happen at any other time or while it is at our shop. Fuel pressure is good and the pump has a go...	View
	2002 Nissan Quest GLE 3.3L No engine cranking VIN: 4N2ZN17T12 Customer stated that ABS and Chech engine light came on while driving. PO600 and P1605 codes are stored for communication between trans and ecm. Towed in with no engine cranking and no power window operation. Customer also stated that windows stopped operating...	View
	2002 Nissan Altima 2.5L timing chain VIN: 1N4AL11D92 after installing new timing chain , guides and tensioner , {timing marks were checked by two techs) the engine bent valves when we went to crank it. further investigation found that inner face of oil pump ( part of timing cover assy.) used to have two protecti...	View
	2000 Oldsmobile Alero GLS 3.4L Surge, Cuts out, Misfire VIN: 1G3NF52E9Y I found a couple of posts like this, but there was never any fix submitted. Anyway, I have been driving and testing this car for three days. Symptoms: runs great in the shop, runs great driving under a load and at idle, but if you try to maintain a speed with ...	View
	1964 Other European Sedan .0L Gearbox VIN: 0000B150CN Any Bentley Guys out there?? I have a friend that bought this 64 Bentley for his Formal Wear company and I do not know much about these cars. This one has a pretty severe power steering fluid leak where the steering shaft/column meets the gearbox. I am curious...	View
	2001 Porsche 911 Carrera 3.4L Lifters VIN: WPOAA29991 Hello Porsche Techs: We have got an issue with loud lifter noise on the right side of the engine. We have changed the Oil on a regular basis on this vehicle (every six months).We have just added in Marvel Mystery oil additive in the engine oil on this last oil...	View
	2004 Porsche Cayenne S 4.5L all VIN: WPLAB29P94 Hi I ve got this cayenne that came on towing with no start complaint. I ve try start the car with two different key with the same result . message in cluster (steering faulty) try to scan but there no communication in any computer,Ive got no pcm or air bag o...	View
	2006 Volkswagen Jetta TDI 1.9L air bag VIN: 3VWCT81K26 hey techs this is my wifes car.i have no experiance with vw systems,can anyone tell me where the t3aa and the t3ab connectors are?the info i have states that it is under the seat is this correct? the code designates it is the drivers side air bag igniter side-...	View
	2003 Volvo S60 2.4T 2.4L Cam Timing VIN: YV1RS61T93 Looking for some advise. I've got this Volvo in here for timing belt replacement along with cam seals. Looking at the VVT set up I think I will have to have a way to lock both cams timing down when I pull the sprockets off to replace the seals. Is this correct...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1995 Acura Integra Special Edition 1.8L No Start VIN: JH4DC4364S The acura is running. The only way I could get it to run is to take the bolts out of the distributor and turn it. My thought was that the intake cam had to be out of time. MOD shows a picture of two pins installed in the cams through the front bearing cap. T...	32
	1998 BMW 528i 2.8L abs codes VIN: WBADD632XW It helps to have a scanner that works properly, Our "new" snap-on verus seemed to be clearing the codes but in acuality it wasn't doing anything. Using a red brick with bmw cartridge cleared the codes and they didn't come back except for an air bag code 18 for...	7
	2002 BMW 745i 4.4L Surge, Misfire, MIL Lamp on VIN: WBAGL634X2 found short circuit to kl31 on wire from dme to exhaust gas flap switchover valve. Disconnected from dme ecu, surge still present. Customer took car, will return for further diag. Trouble codes: 279E (output stage exhaust flap), 27CC (Tank leak diagnosis DMTL-tank leakage detected).	5
	2006 BMW 650i 4.8L parking control VIN: WBAEH13406 Not having a scanner that will communicate does make things a little more difficult however thanks to your help I was able to determine the failed sensor just as you described. With the key on in reverse using a light touch with a wet finger you can actually f...	3
	1998 Cadillac Seville SLS 4.6L rear strut dampning VIN: 1G6KS54Y6W Well I went ahead and replaced the dampning relay and had no other poblems or trouble codes. I know from experience that this just means I might have stumbled onto a weak relay or connection. But to save diagnostice time charges we went with the ten dollar dam...	3
	1994 Chevrolet Camaro 5.7L Misfire VIN: 1GCF134C76 Thanks everyone it ended up being 1 broken valve spring.This valve spring only had about a half a coil broken yet it caused all this problem. thanks again	30
	1999 Chevrolet Blazer 4.3L blowermotor VIN: 1GNDT13WXX sorry it took so long .there is no voltage change at the signal wire (purple/white)come in to the module when the fan switch is on. replace head control . problem fixed thanks to LONG in texas and all tech out there took time to help me thankyou again	10
	2001 Dodge Grand Caravan ES 3.8L Surge VIN: 2B8GP54L51 Because the vehicle doesn't get driven much and I just returned from a week of vacation, I haven't fixed it yet. I am confident that a new EGR valve and transducer will fix the problem. I did notice that while driving at highway speeds while cruising the sur...	17
	2003 Dodge Ram 1500 SLT 5.7L Hesitation VIN: 1D7HA18D23 ok guys and gals,read about one other friend on here did the propane thing and guess what it showed up.would not show up with smoke tester.hot or cold.one more for the books.replaced intake and problem gone.thanks for your help.kyle Trouble codes: P2115 (app seneor wont learn), P2116 (app wont learn), P2166 (app sensor wont learn), P2167 (app wont learn).	7
	2004 Dodge Intrepid SE 2.7L blend door VIN: 2B3HD46R44 Aldata is wrong on this one, the air box had to come out. Period. Thanks, MIcK	3
	1992 Ford Taurus SHO 3.0L Clutch VIN: 1FALP54Y6N We finaly got this vehicle fixed. After we looked at everything we touched on this vehicle and decided we would remove the new clutch cable we installed and reinstall the old cable and the clutch works perfectly. I am not sure why the replacement cable would c...	10
	2004 Ford Explorer XLT 4.0L MIL Lamp on, wrench light on VIN: 1FMDU73K44 Sorry we have not fixed this one but it only happened once with no "Limp Home" symptom. I cleared the code and will wait for it to happen again. I got responses about the TPS and the Tsb 05-14-4 but we never experienced the symptoms or any other codes. Accordi... Trouble codes: P2106 (Electronic throttle control system-Forced limited power).	6
	2001 GMC Yukon SLE 5.3L abs module VIN: 1GKEC13T81 thanx to all that read or replied, after so much testing and playng arround with 3 different modules and 3 different motors, i called up gm and got their module for 750 bucks, problem fixed the culprit was 2 bad reman ebcm's and 1 bad ebcm from yunk yard and ...	6
	2000 Jeep Cherokee Sport 4.0L Leaking out frt after hot VIN: 1J4FF48S4Y Hi guys, thanks for your input on the leak. Mitchell from Maine,Richard,Washington and Steve,Kentucky all had the same Idea and I agree however customer decided that he will hold off on the repairs since I encouraged him to go through the transmission also whi...	5
	2003 Land Rover Discovery S 4.6L MIL Lamp on VIN: SALTL16453 I have gone from front to back looking at all the lines and testing components involved. It is difficult to see behind the plenum as I am using a videoscope. We are going to lay it all out to the customer and see if they want to pull the plenum back off to che... Trouble codes: P0441 (no purge flow detected).	3
	1995 Mazda Protege DX 1.5L axle VIN: JM1BA141XS The replies were helpful. I did buy the tool to put on the end of a slide hammer. It didnt seem to go all the way in place. I did try separating the axle to only replace the outer joint. Maybe I had a mental block but I had no luck. I suggested the custom...	17
	2004 Mazda Miata 1.8L Misfire VIN: JM1NB33244 Well as you all can see from the replies, no one had any conclusive information on this one. I tried all the information from the replies and had no luck. The customer declined to spend any more money on "educated guesses". I suspect the head needs to come off... Trouble codes: P0304.	7
	2006 Mazda 3 i 2.0L starter VIN: JMIBK14336 The starter staying engaged was caused by a bent flywheel. We installed the old flywheel and fixed the concern. The engine was a junkyard engine that was in a frontend crash which bent the flywheel.	6
	1996 Mercedes-Benz S500 5.0L evap VIN: WB4MNHU3NT Thank you for all your help the job was huge!! there are no short cuts that i could find. thank you for all your help next time i will send to the dealer...	11
	2000 Oldsmobile Alero GL 3.4L Poor Idle Quality VIN: 1G3NL12E4Y Throttle Angle=1% at idle not 0% Throttle Position Sensor solved problem I viewed the ECT, TPS, and IAT sensor signals with a scope but noticed no fluctuation when the problem occurred. One item that did catch my eye was that the scan tool showed 1% th... Trouble codes: P0122.	8
	2000 Subaru Legacy L 2.5L Poor Idle Quality, Surge, Stall VIN: 4S3BH635XY All the info was good but the only problem is the customer took the car for a trip and I haven't seen it back yet. Both Davids from Wash & British Columbia had good info with the frt A/F Sensor. I did ck for vacuum lks like Wayd suggested and the head gaskets ...	8
	2005 Subaru Outback R 3.0L Charging system VIN: 4SDBP86C35 Thank you for your replies.I found a broken wire by the computer.Custmer was happy.	4

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