Automotive Technicians Technical Discussion and Fixes for Jul 8, 2006

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Open Help Requests for All Makes and Models

	Help Request	Answers
	1993 Buick Century Special 3.3L AC compressor VIN: 3G4AG54N8P A.C. works At time's, When it is operating it is very cold, what is happening compressor will shutoff or at times never come on. Scan tool shows ac commanded on when it should be on, The relay chatters somtimes causing clutch to cycle on&off rapidly, I checked...	View
	1994 Buick LeSabre Custom 3.8L electric windows VIN: 1G4HP52L7R Hi, folks. This vehicle intermittantly draws enough power to trip the circuit breaker for the power windows. Customer complaint is that the power windows do not work. The one time I managed to catch the problem, I pulled the breaker, (it was hot) but after rei...	View
	1999 Chevrolet C1500 Suburban 5.7L No Start, Stall VIN: 3GNEC16R8X Hello everyone. This vehicle came into our shop with customer complaining of engine stalling. This was happening about once a week. The engine would always start right back up. I hooked up the Solus and found no current codes in the system, but it did have a P... Trouble codes: 1626 (Loss of serial communication with VTD), 1631 (Invalid password)	View
	2003 Chevrolet Avalanche 1500 North Face 5.3L 1st gear VIN: 3GNEK13T93 hello folks,got a strange one here and i hope all the superb minds of this great site can shed some light on the subject!!here goes...neighbors truck,took to shop to service trans,was fine for about 2 weeks and went to tow his boat when he noticed it was slipp...	View
	1995 Chrysler Sebring LX 2.5L No Start VIN: 4C3AU42N8S Car was towed in. Has no spark. Computer is not powering the ASD relay. Computer will not communicate with Master Tech scan tool OBD global or Chy specfic. Checked all power and grounds (all data) checked DLC connections all ok Replaced computer (old one was...	View
	1999 Chrysler Cirrus LXi 2.5L Stall VIN: 1C3EJ56H4X Hi Folks This Cirrus will drive fine, with no MIL on, and engine running fine. With engine at full operating temperature, and maintaining engine rpm between 1500 and 1900 rpm, the engine will loose power and eventually stall. To this point the engine has not ...	View
	2005 Chrysler Crossfire SRT-6 3.2L Poor Idle Quality, Surge, Stall VIN: 1C3AN79N85 Hello! I have this Supercharged Crossfire that runs VERY bad on first start up, acts like a bad MAP sensor on a NORMAL car. Loads up real bad, will not idle on it own, very low vacuum reading on a gauge. Anywhere from a minute to several minutes, the engine j...	View
	1995 Dodge Ram 2500 5.9L Charging VIN: 1B7KF26C9S truck came in with a charging problem and no tach operation.replaced speed sensor and corrected tach but not charging.vehicle will discharge batteries after running 20-30 miles. gage shows normal for a few miles and then starts to overcharge.after a few miles ...	View
	1997 Dodge Ram 3500 8.0L Cooling Systems VIN: 1B6MF36WOV I have a 1997 dodge V10. After the thermostat opens up, the cooling system creates air bubbles that collect in the overflow reservoir. I have heard that there have been problems with the V10 heads, and was wondering if anyone had any advice or had this same pr...	View
	1989 Ford F-350 Custom 7.5L No Start VIN: 2FDKF37GXK This truck will intermittently quit and not start or not start after turned off. Testing shows good spark and fuel pressure but no injector pulse when no start occurs. I have a good pip signal at ignition module. Since the problem is so intermittent its hard t...	View
	1992 Ford F-150 Custom 5.0L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, Poor Fuel Economy VIN: 1FTDF15N2N we really need help with this one. it will start and run really rough today and tomorrow it might run great. hard start intermittent. sometimes will idle great then just die. this truck belongs to one of our guys, we have replaced almost everything except pcm ...	View
	2000 Ford Focus Sony Limited Edition 2.0L gem, ctm VIN: 1FAHP3435Y This vehicle was purchaced in auction so no prior history or symptoms are known. The battery will discharge after a few days, good charging system voltages and the battery passed the tests. Checked for draw, between 153ma and 173ma were found. I preformed the ...	View
	2002 Ford Focus SE 2.0L serp belt VIN: 1FAFP34P72 Hi techs, this focus came in with a broken window regulator and a secondary complaint of belt noise upon morning startup. Owner had been using belt dressing to quiet noise with temporary sucess. I cleaned off the pulleys and installed a new belt. The old one ...	View
	2005 Ford F-450 Super Duty XL 6.0L No Start, Excessive cranking VIN: 1FDXF47P45 This one you have to crank over excessively but once it starts it runs great all day. I've changed oil and filters including both fuel filters but the morning it does the same thing. I've checked for codes and got none. This is not the only truck in the fleet ...	View
	1995 Honda Accord EX 2.2L Starting VIN: 1HGCD5653S Car has 12.25 volt draw with key off, 345 milliamp draw. Battery goes dead overnight. Alt unplugged, all fuses and relays are pulled and draw is still there. Any ideas..??	View
	1994 Jaguar XJ12 6.0L front camber VIN: SAJMW134RC Hello Jag techs. This one came in with visually noticeable negative camber on both front wheels. Aprox. 1 to 2 degrees. Test drove vehicle and found no detrimental effects. Tracks straight, corners well, recovers well, no accident damage of any kind. I would l...	View
	2000 Jaguar XJ8 4.0L No Start, Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: SAJDA14C9Y Hello everyone, this 2000 Jaguar XJ8 has a very hard time starting. Cranks fine, but wont run well at all. It has misfire codes on every cylinder. Pulled spark plugs and found them black and fuel fouled. Replaced plugs, same thing. When it does run it backfire... Trouble codes: P0300, P1314 (Misfire over limits bank 1), P1316 (Misfire over limits Bank 2)	View
	1988 Jeep Cherokee Limited 4.0L No Start VIN: 1JCMT7891J Hi, it has been a week now and the car does not start. it all started when we replaced the old worn engine with a used one. after all installation was done, we attempted to start the car but it did not start. there was no spark at all. the two ground wires on ...	View
	1994 Jeep Grand Cherokee Limited 5.2L Alternator VIN: 1J4GZ78Y0R I just bought this 1993 Jeep that will not charge at idle, only about 12.5V, and only charges 13.5V at cruise. I've performed the factory diagnostic routine from alldata and found nothing wrong, the Jeep passed all tests except one. That's what I was hoping to...	View
	1990 Mercedes-Benz 300E 3.0L Compressor VIN: WDBEA30D3L Problem I,m having is the compressor shuts down occasionally when driving or idling. I'm having trouble finding the AC Compressor cut out relay for this car. It's not behind the battery as most are, my Mitchell all show the cut out relay near the battery. Noth...	View
	1996 Mercury Sable GS 3.0L MIL Lamp on VIN: IMELM50U6T I could not find any diagnostic information about P1405 on the Mitchell. What should I inspect first. Can I replace DPFE sensor? Thank you previously! Trouble codes: P1405 (dpfe upstream hose off)	View
	2001 Mercury Sable LS Premium 3.0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1MEFM55S01 hi group, i have posted on this car before and didnt get any useful info. the car left and is now back. runs rich, ltft bank 1 -22%, ltft bank 2 -11% and misses on cyl 1 intermittantly. my main question at this point is, is 65 psi of fuel pressure too much? i ... Trouble codes: P0171, P0301	View
	1996 Mitsubishi Mirage S 1.5L MIL Lamp on, HARD START VIN: JA3AA26A8T Hello Mitsubishi Techs: I have this 96 Mit. mirage, came in my shop for a tune up. After the car was released, the customer complained that after siting over night, the car takes to long to start in the morning. I have a DTC, P0505, idle control malfunction. T... Trouble codes: P0505 (Idle control system malfunction)	View
	1997 Nissan Maxima GLE 3.0L No Start VIN: JN1CA21D0V car came in for long crank till start. fuel pressure seemed ok dead head a little low volume a little low replaced pump and relay , good spark.stats great with a shot of ether. drives great once started seems worst after sitting for awhile thanks for any help	View
	2004 Pontiac Grand Prix GTP 3.8L abs module VIN: 2G2WR52434 we have a 2004 grand prix gtp w/ws6 pckg with stability control,4 wheel abs, traction control customers complaint all lights went on while driving service trac,service brakes,service stability scanned it and had c0896 device voltage range and also a history co...	View
	1991 Volkswagen Golf 1.8L Stall VIN: 3VWFA01G9M Hi VW techs, this is a VW at a GM garage. It belongs to a neighbor, I replaced the head gasket last week for too much pressure in the cooling system, and the engine was overheating. I'm not sure if it was doing this before, but now it won't go into fast idle w...	View
	2000 Volkswagen Cabrio GLS 2.0L Cuts out VIN: 3VWDC21V1Y i got a cabrio that cuts out when u give it gas and no mill lite on i know they had alot of problems with the maf sensor any hints may help me thanxs.	View
	2001 Volkswagen Jetta GLS 2.0L master window switch inop VIN: 3VWSS29M31 We scanned the comfort system and got two codes, 01329-comgort system data bus in emergency mode AND 01331 door control module , drivers side faulty. We know the door latch/module is faulty because the dome lite does not come on and no response on the vag. We ...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	1992 BMW 535i 3.5L gauges VIN: WBAHD2310N I nevery really got a chance to check out this one, as the garage that did the previous ecm repair accepted responsibility on this one and came after it with their tow truck...I doubt the computer was responsible for the instruments wigging out though...More l...	8
	1998 BMW 740iL 4.4L shift mode VIN: WBAGJ8326W as you already know the cats fixed the misfire codes. after acquiring a scan tool that would access the trans controller. code referanced the mode switch. one replie suggested that i should unplugg the switch and re test. however the switch is not momentary co...	5
	2005 BMW 745Li 4.4L Accessories VIN: WNBAG63585 This actually turned out to be a non issue. After we took the door apart we immediately noticed that the body shop had left a control unit unplugged. We connected it and returned it to them without a charge. Thanks again.	10
	1991 Cadillac DeVille 4.9L MIL Lamp on, Lack of power VIN: 1G6CD13B7M Thanks to all!! Bryan from Florida was the closest. I feel like an idiot. Injector fuse # 1 blown , car can still run smooth. Excess O2 in exhaust cause high temp.. I sould have known this but as I stated heat stoke is my excuse.Suspect 1 or more injectors out...	12
	2000 Cadillac Catera 3.0L No Start, Cuts out VIN: WO6VR54R5Y Thanks to all who responded. Believe it or not it was the crank shaft position sensor. I still dont understand why this caused the transmission to default to 4th gear but it did. The crank shaft sensor was no easy task either. Nothing is on these cars. And i g... Trouble codes: P0650 (mil control fault), P0135, P0300.	4
	1996 Chevrolet Corsica 2.2L Surge, MIL Lamp on VIN: 1G1LD5547T Hello As a few of you pointed out to me,just because the IAC count is at 0 does not mean it actually closed. I removed the intake tube and put my finger over the opening to the IAC and had vacuum there. Assuming The new IAC motor was good was my mistake. After... Trouble codes: P0507, P0172 (Fuel Trim Rich intermittant code).	11
	2002 Chevrolet Cavalier 2.2L engine will not start VIN: 1G1JC52412 hey guys are everything going, good here, i just finished with the car,i replaced the passlock sensor with no luck,it died again so this time i noiticed something about the pcm when i was had the scan tool hooked up on datastream, the data froze , would not co...	4
	1999 Chrysler 300M 3.5L No Start, Cuts out VIN: 2C3HE66G4X If you can believe it, a new Fuel Pump Assembly fixed this car. The car finally stopped while I was driving it. All checked okay, but there was no fuel pressure and the pump would not run until it cooled off. Thanks for all of the help with this one Trouble codes: P0300 (Misfire code).	4
	1999 Chrysler Town & Country LX 3.8L MIL Lamp on, no communication VIN: 1C4GP64L2X Hello again, the customer had just bought van from an independent dealer, and the dealer wanted to bring it to a Mopar shop. Which is why I've been waiting to post the results. The customer promised to let me know what the deal is with this van. However, betwe... Trouble codes: P1716.	7
	1994 Ford Mustang SVT Cobra 5.0L No Start, Stall VIN: 1FALP42D3R in the process of checking connectors and ground along with wiring, the vehicle would not die again. we kept it for 3 more days and drove it every chance we had. would not die. the customer has had it for 3 weeks and we have not heard from him. thank you all f...	5
	2001 Ford Escape XLT 3.0L No Start VIN: 1FMYU03171 the fix for this escape was a differt key!! the truck did not start with the extra key the customer gave me. when he came back with the orignal ford key all was well again, so the truck did have a bad fuel pump but the spair key that was left me was no good !!...	5
	2001 Ford Focus SE 2.0L rear hatch VIN: 1FAHP36361 We have had another look at the vehicle and re adjusted the rear hatch latch? could not see any issues and the hatch has popped open only once since we replaced the latch. We asked her to be sure the hatch shut properly and untill the problem occurs again we w...	4
	2003 Ford Taurus LX 3.0L No Start, Stall VIN: 1FAFP55243 I determined the PATS system affects the starting system not fuel control anti theif not the problem. Put in a cam sensor and all is well. THANKS EVERYONE	13
	1994 GMC C2500 Sierra SL 5.7L Poor Idle Quality, Hesitation, Surge, Stall VIN: 1GTGC29K2R Thank to everyone that responded. sorry took some time to get back, i was not working on the truck i left it for a while. and fianlly yesterday work was slow so i looked at it again and fixed it. I must have not been thinking right before, becuase if the truck...	16
	1996 Honda Civic DX 1.6L MIL Lamp on VIN: 1HGEJ6221T The fix for this was an exhaust manifold, it had a small crack in it under the heat shield causing the lean code, thanks to all those who shared their wisdom with me in the repair of this vehicle. Trouble codes: P0171.	18
	1992 Jeep Cherokee Sport 4.0L Speedometer VIN: 1J4FT88S3N after testing the VSS we pulled Instrument cluster checked for reference at speedometer connector, receiving reference at cluster connector, replaced speedometer unit corrected customers concern. Thank you for all your assistance	3
	1996 Jeep Cherokee Classic 4.0L No Start VIN: 1J4FJ68S9T Thanks to all that replied. Sometimes the answer is right under your nose and you just plain miss it! I followed the advice of many of your replies, and disconnected the crank sensor, connected my scan tool, and saw communication restored to the JTEC compu...	14
	2002 Mercedes-Benz C240 2.6L Heater VIN: 2030612A02 Thanks for the replies, One reply mentioned regassing the a/c , tried this , no change . I learnt by another reply that the stepper motors can be 'normalised by holding down the 2 LH buttons on the Control panel. Tried this but also didn't fix the problem. aft...	4
	1997 Mitsubishi Eclipse RS 2.0L Poor Idle Quality, Surge VIN: 4A3AK34Y8V Howdy folks, I really appreciate the usefull ideas for further diagnosing this Eclipse surge/nearly die at idle problem. Unfortunately I gave up, and sent the car to the dealer. My scanner seems to glitch during data, and code gathering when it's plugged into ...	3
	1997 Plymouth Grand Voyager SE 3.3L Cuts out, Stall, Misfire VIN: 1P4GP44R6V Hello Group, I was waiting to hear back from the customer but haven't yet. After countless hours and going over the 6 replies I recieved . I believe the cruise light flashing was the key(cam and crank sensors out of sync) and having checked the flexplate many ... Trouble codes: 43 (ignition coil 3 ckt), 11 (loss of cam/crank signal), 43 (ignition coil 3 ckt), 0BD2.	7
	1999 Plymouth Voyager 2.4L No Start VIN: 2P4FP25B3X We have a winner, ended up idler pulley for timing belt lost bearings, still had tension on belt so looked good but was not. Special order upgrade from dealer on timing belt tensioner, idler, cover. This is the dual overhead cam unit. Put back together and she...	5
	1996 Saturn SC1 1.9L No Start, Cuts out, Stall VIN: 1G8ZF1286T this fixed it! located above starter thanks very much.	3
	2001 Subaru Outback Limited 2.5L Fuse #18 VIN: 4S3BE68611 Well, since the problem was so intermittent, the customer had 2 options here. One was to wire in a separate fuse to each component, thereby identifying the offending component. The other was to, after an extensive inspection of wiring harnesses, to replace com...	4
	1991 Toyota 4Runner SR5 3.0L camshaft seal VIN: JT3VN39WXM The 4 runner is fixed.First I appologize for not reporting that we had checked the pcv system and found it was opperating correctly.The people who suggested that a stopped up pcv system could cause a lip seal to leak were absolutely right.We discovered this on...	12
	2000 Volkswagen Cabrio GLS 2.0L MIL Lamp on VIN: 3VWDC21V1Y timing was off one tooth thanxs to all who replied . Trouble codes: P0341.	9

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