Automotive Technicians Technical Discussion and Fixes for Sep 29, 2007

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	Help Request	Answers
	1996 Cadillac DeVille 4.6L ip panel VIN: 1G6KD52Y4T this vehicle was repossed and a lock smith came out and cut a new key for this and vehicle started fine for a few days and than parked vehilce and it would not start,checked for trouble codes only codes found were p1604 loss of instrument panel cluster serial ...	View
	1994 Chevrolet Caprice Classic 5.7L ecm VIN: 1G1BL52POR Good Afternoon We have this 1994 Chevrolet Caprice with the opitical distributor mounted in front engine behind the water pump. This car was towed to our shop from another shop that had performed some exhaust work. The customer said they drove to the shop and...	View
	1996 Chevrolet S10 4.3L No Start VIN: IGCCSI4XOT Hello everyone I have this s10 that will not start after sitting for awhile,if you spray starting fluid in it ,it will start right up.But when you turn the key on the fuel pump does not run,Im thinking the fuel pump relay is not priming before starting.My prob... Trouble codes: 151 (171 -), 171 (174 -), 174 (440 -), 440 (testing and results)	View
	1996 Chevrolet C1500 Cheyenne 5.7L Surge VIN: 1GCEC19R3T my problem now over 40 mph to 70 mph surges, like the tc swich is bad but scan out put shows no sign of on off activity with tc when the surging is at work. am i on the right track? whats my next step? thanks andy.	View
	1998 Chevrolet C2500 Cheyenne 5.7L No Start VIN: 1GCGC29R7W I recently had this truck come in with a cyl 5 misfire wich turned out to be a burnt wire. We changed plugs, wires, cap, rotor and did a fuel sysem clean. The vehicle ran fine. On the test drive it died. It has spark. fuel pressure is a low at 55psi and leaks ... Trouble codes: P0161	View
	1998 Chevrolet Express 3500 5.7L Stall, Hard Start VIN: 1GBHG31R1W I have a 1998 G3500 with a 5.7 liter, the problem is the first time you try to start it, it will start immediately and stall within 2 seconds, the second time you start it takes about 5-10 seconds of cranking and then fires up and runs perfectly. Does this eve...	View
	2005 Chevrolet Express 1500 LS 4.3L Hesitation, Surge, MIL Lamp on VIN: 1GCFG15X85 van came in with po102 - maf sensor/ circuit problem. replace the maf sensor and air hose, still did the same thing. check for vacuum leak with smoke machine and none were found. replace the maf sensor again and program pcm, acted the same thing. replace pigta... Trouble codes: P0102	View
	1998 Chrysler Town & Country LXi 3.8L Electronic VIN: 1C4GP64L5W Greetings, This is my Secretary's van and I'm trying to help but I'm clueless as to what this transmission code PO760 is. I've searched the database six ways to Sunday but so far I've found nothing. It's in limp-home mode. Any help would be appreciated. Cheers...	View
	2002 Chrysler PT Cruiser 2.4L Horn and radio panel light VIN: 3C4FY8B52T The radio clock will intermitently go off and when its off the horn will not work. All other accesories operate normally. It appears to me that the wiring has only one place were they are common and its the PDC, but they do not use the same fuse.	View
	2001 Dodge Dakota SLT 3.9L Misfire VIN: 1B7HG2AX11 Hi, This truck has what feels like a misfire between 50 and 60 MPH especially with the cruise control on. It has no codes. The misfire monitor shows no misfires, even when the problem occurs. It feels like a slight jerk,just once, when it happens. When you fee...	View
	1992 Ford Aerostar 3.0L Rear brakes locked up? VIN: FAKE123456 Hi Fellow Techs.. RWABS Problem ;)?? When I hit the brakes hard enough for the Rear ABS to kick in, they will NOT Release ;)?? Had to dirve it home friday night with the rear brakes SMOKEING ;){{{ Parked it AWAY from Everything in case of a Fire ;)}} Saturday...	View
	1994 Ford F-350 XL 7.3L oil pressure VIN: 2FTJW36KXR Oil pressure is between 3/8 and 1/2 on the gauge cold, but drops to barely above L when warm (below the normal bracket a ways). I don't do much diesel work, but the rig came in for an A/C charge; customer is out of town, left vehicle with his father to deliver...	View
	1995 Ford Contour GL 2.5L low coolant light VIN: 3FALP6617S replace low coolant light sensor-light went off for 3 start ups Followed wire schematics and found ground wire off by left front fender upper fender well, but when connected the ABS light and traction light came on and stayed on found that the fuse was missing...	View
	1995 Ford Explorer Eddie Bauer 4.0L Electronic VIN: 1FMDU34X8S Greetings all. I rebuilt this 4r55e 24,011 miles and almost one year ago. It came back in with OD light flashing but all gears still functional. Resistances on solenoids are within spec. EPC was replaced at rebuild. Steady acceleration to around 50 mph and hol...	View
	1998 Ford Windstar GL 3.8L MIL Lamp on VIN: 2FMZA514XW The only possible part wrong here is the PCM. The problem is that here in California this part is not available ,since this vehicle is made in Canada .We tried the Dealer , but they don't have connections with Ford of Canada . Does someone have any Idea how to... Trouble codes: P0340 (Camshaft position sensor CMP circuit malfunction)	View
	2005 Ford Econoline E350 Super Duty 6.0L cooling contamination not very familiar with this engine checked info mitchel not very helpfull no tsb's found . problem is with engine oil getting in cooling system .expansion resovoir has approx 1.5 litre of oil in it. not sure how its getting there.suspect oil cooler or t/cover....	View
	1992 GMC Sonoma SLE 4.3L No Start, Cuts out VIN: 1GTCS14W4N Hello all! Thanks in advance for taking the time to look into this. This GMC came in on the hook with a blown ECM 1 fuse. Replaced fuse and truck came to life. Checked circuit, found it powered ECM in two locations, intake manifold tuning relay, EGR, and fuel ...	View
	2000 Jaguar S-Type 3.0L ac VIN: SAJDAO1C2Y Hello all, this s-type has been the bane of my existence for a couple of months. The car came from a body shop that had repaired this wreck (or should I say wrecked this repair). This car was front ended and nearly totaled. When I ended up with it, I was asked...	View
	1996 Jeep Cherokee Classic 4.0L MIL Lamp on VIN: 1J4FT68SXT This vehicle originaly came in with a code P0505 - Idle air control circuit malfunction. I replaced the IAC valve and sent the vehicle with the customer. The vehicle returned the next day with the same code. At that time we replaced the IAC plug (pigtail.) The... Trouble codes: P0505 (idle air control circuit)	View
	2005 Lexus RX330 3.3L roof rack VIN: 2T2HA31U45 At 60 mph and higher there is a rattle from the rear roof area. I found the adjustable roof rack cross bars loose in the locked position and used wood shims to stop any movment in them. No change in the noise. Does anyone have a fix for this? Thanks Tom	View
	2001 Lincoln Continental 4.6L left rear shock area VIN: 1LNHM97Y91 vehicle first came in for rattle noise in rear when going over bumps-we replaced rear air/electronic shocks The noise subsided but was still noticable. took to Lincoln dealership the first time they said rear stabilizer links were bad so we replaced and made n...	View
	2001 Mazda Tribute ES 3.0L Misfire VIN: 4F2YU09111 This Mazada came in with a complaint of running rough on start up in the morning.Checked system for codes,none found.The custermer said that he wanted the plugs and wires replaced.This system has one coil per cylinder.So we replaced all spark plugs and all fac...	View
	1999 Mercedes-Benz S500 5.0L battery VIN: WDBGA51G0X Car has a draw of .900 miliamps that makes the battery go dead after sitting 2 days. Remove #2 fuse in the main fuse box,which is only for the auxillary fan circuit, and the draw goes down to .050. Disconnected the fans and installed a new fan module for test ...	View
	1992 Nissan Sentra E 1.6L front seal VIN: JN1EB31P3N Hey all: got this little Nissan that came in with a serious leak around the front crank seal. I have never worked on a Nissan, so I went to Alldata. It told me that it takes something like 1.4 hours to replace the seal, but then says it does not include time t...	View
	2001 Nissan Sentra GXE 1.8L compressor VIN: 3N1CB51D41 Hi all techs : Customer complaint the a/c compressor and the cooling fans came on all the time with the engine running and the a/c switch is off.Car has been maintance well,and no repairs done recently. Here is what i had from the troubleshooting : - unplug ...	View
	2003 Nissan Xterra SE 3.3L Master Cyl? VIN: 5N1MD28T53 Hello, We have this Nissan that came in with a complaint that the brake all of a sudden started going to the floor. We test drove and was able to duplicate concern. When brake pedal is first pushed it will go to floor. Second push pedal is pretty good. Third p...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2004 BMW X3 3.0i 3.0L trailer harness VIN: WBXPA93474 soory for the delay special thanks to jared right on the money thanks for all your responces didnt need to be coded? at least at this time all lights functioned normally did advise customer of possible coding issue bmw shop was no help w/ any questions they ...	4
	1998 Cadillac DeVille Concours 4.6L Suspension VIN: 1G6KF549XW Well, so far so good. When we initially replaced abs control unit the front sub frame had to be lowered down and we did not notice that this broke the links to front height sensors. After repairing this, all has been good. We are thinking that when a problem i...	6
	1998 Chevrolet Express 3500 6.5L shift solenoid VIN: 1GBJG31F5W thanks to all that helped me .i never got the vehicle to act up while i had it at my shop. I CLEARED THE CODES AND THE CODES NEVER RETURNED AND THE VEHICLE HAS BEEN FINE EVER SINCE.	8
	1998 Chevrolet Venture 3.4L Engine VIN: 1GNDX03E6W Thanks to all of you. I am swimming in a ton of replies. I tried to thank each of you individually, but if I missed you thanks for the time. Everyone said you must drop the engine/transaxle as a unit on the cradle thru the bottom onto 4 jack stands and/o...	20
	2001 Chevrolet Corvette 5.7L Traction Control VIN: 1G1YYZZG21 This no too common problem brought 4 good replys from knowledgable techs, thanks! I have access to GM Service Information and had run the trouble tree for the codes. It has to be a wiring/connector/ground issue in my mind. I removed all related grounds having ...	4
	2002 Chevrolet Monte Carlo SS 3.8L suspention VIN: 2G1WX15K12 Car was not able to be returned for sugested repairs. If I get it back in the shop some day I will try to post the fix	18
	2002 Chevrolet Trailblazer LS 4.2L Poor Fuel Economy VIN: 1GNDT13S72 well we learned the throttle wont open when in park. it only opens when in gear. so when we tested cat convertor we didnt have in gear. come to find out the cat was plugged. this engine only has 1 cat. sent to dealer for warranty. thanks for the help guys.	8
	1992 Dodge Dakota 2.5L ASD fuse circuit VIN: 1B7FL23G1N Thanks for the tips, folks. Examined the O2 sensor harness, plug at L/H firewall, and harness under fuse/relay box for corrosion or short to ground. Nothing obvious, though the O2 heater 12V was nearly melted through until I re-wrapped it and routed it away fr...	6
	1999 Dodge Ram 1500 Laramie 5.2L No Start VIN: 1B7HC1640X Thanks for all the replies. Very helpful. Started taking a closer look at coil and found the coil wire laying against exhaust manifold shorting out. Moved wire, vehicle started right up. Replaced coil and wires, customer on his way. Thanks everyone!!	6
	1994 Ford Mustang 3.8L No Start, Cuts out, Stall VIN: 1FALP444XR THANKS [...] NAPA AND HAD IT TESTED AND IT WAS BAD. GOT A NEW ONE AND SHE FIERED RIGHT UP AND RAN GREAT, THANKS AGAIN I LOVE THIS SITE , DON Trouble codes: P0320.	4
	1996 Ford Contour GL 2.5L Shift Interlock VIN: 1FALP65L2T I would like to thank you all for your help. I did find the IIM module to be bad. When i removed the cover, severe burnt smell and burn't spot on it. There were no used ones around, and new ones obsolete through ford, but there is a place that buys all their o...	6
	1999 Ford Explorer Eddie Bauer 4.0L cv joint VIN: 1FMZU34E9X thanks very much to all who replied. we pulled both half shafts and checked the cv joints. we switched tires end for end. we finally borrowed a set of wheels and tires from a friends truck and the noise went away. so we told the owner that he needed to purchas...	15
	2000 Ford Explorer Eddie Bauer 5.0L Misfire VIN: 1FMZU84P8Y It was great to get some information to access misfire counters with a Snap On scanner from several helpful members. To access the information: Use MODE $06 Data to look for misfire. Global or Generic on your scan tool, select Mode 5,6,7 on SnapON, Select Spe...	11
	2001 Honda Accord EX 2.3L engine VIN: JN34EY5267 thank you for your help .the problem is the noise from bottom oil pan crankshaft bearing .	11
	2001 Hyundai Accent GL 1.5L MIL Lamp on VIN: KMHCG35GO1 Was able to run pressure motor with power probe on used unit that I installed. Re-checked old unit with power probe and it would not run. When clearing code with scanner I could could hear motor click once. With volt meter hokked to power side of motor I had 1... Trouble codes: P1402 (DM-TL over-pressure malifuction detected).	4
	2000 Jaguar S-Type 3.0L Misfire, MIL Lamp on VIN: SAJDA01CRY I am closing this request at the present time as the misfire has been fixed.Thanks for your help in telling me where #3 cylinder was.Replacing the coil did fix the misfire problem.The misfire has moved to other cylinders and after replacing numerous coils,the ...	6
	1995 Jeep Grand Cherokee Limited 5.2L Alternator Fuse VIN: 1J4GZ78YXS We are still needing to have this vehicle come into the shop to finish the repairs. It is a company owned vehicle and due to a high number of sick techs the past couple weeks we have not had the man hours to spare. We do however think the problem is caused by ...	3
	1996 Jeep Cherokee SE 2.5L No Start VIN: 1J4FT27P7T I would like to thank everyone who responded. Edward, paul and Bob hit the nail on the head. A shorted crank sensor fixed it, but everyone else said one of the sensors was shorted. So I guess I am the only one who has not run across this problem before. Not to...	10
	2001 Lexus RX300 3.0L abs module VIN: JTJHF01U01 Thanks to all you techs who replied to my techmail. David from KY, Jeff from NM, Phillip from PA, Robert from CA and Rusty from MA. Thanks for all your suggestions. This RX300 drove me crazy. After several tests found ABS/TCS module to be fualty. We installed ...	6
	2001 Lincoln LS 3.9L Misfire VIN: 1LNHM87AX1 Thank you for all the help. Many of you replied quite quickly allowing me to fix this vehicle and getting it back to customer promptly. We did check the egr and for intake leaks previously and they were good. Many of you suggested coils and we went ahead a... Trouble codes: P0300 (random misfire), P0302, P0306 (misfire 6).	10
	1991 Mazda B2200 2.2L Poor Idle Quality, Hesitation, Stall VIN: JM2UF1134L i would like to thank everyone again for your replies the customer has ordered a carb on line and im waiting for it to arive and install it i think this is going to fix the problem i will try to post answer weather it does or not thanks again	8
	2002 Nissan Sentra CA 1.8L Poor Idle Quality, Hesitation VIN: 3N1CB51D42	3
	1991 Oldsmobile Delta 88 Royale Brougham 3.8L all Shifts VIN: 1G3HY54C7M I want to thank you all for the replies on this car. After checking, it has no pressure and takes a little bit for pressure to build up. From responses sent to me, it sounds like the seals in the input clutch. I have yet to decide on how to fix problem(replace...	12
	2002 Pontiac Grand Prix GT 3.8L passenger side window VIN: 1G2WP52KX2 Unfortunately the lady has not returned for the repair. I guess she's happy as long as it works from the drivers door. Most of the replies that I got were for a broken wire in the door. I had checked that out before I posted on here, and didn't find a broke...	7
	1994 Saab 900 SE Turbo 2.0L Mechanical VIN: YS3DN35N7R Thanks Guys I was able to fish the chain through and I had to use tools from bicycle shop to install link. Thanks for all the info.	8

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