Automotive Technicians Technical Discussion and Fixes for Aug 25, 2007

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	Help Request	Answers
	1992 Acura Integra GS 1.8L No Start VIN: JH4DA9365N Car is not getting spark. It is getting power to the distributor, but no spark to plugs. We tried a known good and a rebuilt distributor and still no spark. What could it be beside ECM?	View
	2001 BMW X5 4.4i 4.4L dsc VIN: WBAFB33511 This is the BMW from hell, I have spent more time on this vehicle repairing things than any other I have worked on for the last 35 years. I had abs/brake light on with code 81, pressure sensor open circuit, replaced sensor, changed nothing. Sent module for rep...	View
	1993 Buick Park Avenue 3.8L Unknown VIN: 1G4HY54I92 i just bought this car,,got a good deal on i think.at an idle it sounds like a box of rocks,relieve tension on supercharger belt and it subsides,noise from the start sounded like it was comming from the supercharger but not the front bearing as is usually the ...	View
	1995 Buick Regal Custom 3.1L interior lights VIN: 2G4WB52M4S hi guys, this buick is giving me fits.the interior lights do not work when the doors are opened,when the key is turned to the run position they come on and stay on.after the key is turned off they stay on for 20-25 minutes then they will go out. i checked th...	View
	1992 Cadillac Eldorado 4.9L info.center,fuel guage,power windows,abs &ck.engin VIN: 1G6EZ13B4N customer stated car started and drove fine after shuting off and restarting abs & ck.engine lights came on &information center went out.car seemed to still start a run fine.next day as he was driving car to shop power windows & sun roof stopped working. as per...	View
	1991 Chevrolet C1500 Cheyenne 5.7L Poor Idle Quality, Stall VIN: 1GCDC14KXM Hey all you Chevy/GM guys. I am normally a Euro tech but I have a Chevy that fell into my lap today. The customer complains that it runs really bad when cold. It "hunts" for an idle and almost dies doing so. It hesitates during acceleration. It does this until...	View
	1999 Chevrolet Blazer 4.3L mode switch VIN: 1GNDT13W5X Please help! This is my mother-in-laws Blazer, I gotta look good on this job, ha! Will shift itself to 4LO, and Service 4WD light on. Cannot shift it with mode switch. Is throwing code B2725 Mode Switch Circuit Malfunction. I found TSB 05-04-21-002, it talks a...	View
	2000 Chevrolet K3500 5.7L No Start, Hesitation VIN: 1GBJK34R3Y 2000 K3500 originally towed in and tested for very low fuel pressure (10 psi). Replaced the fuel pump, vehicle started and tested for 60 psi. Customer leaves the shop, and the vehicle dies later on that day. Towed back and tested 46 psi fuel pressure, no start...	View
	1969 Plymouth Roadrunner 7.2L no start VIN: RM23H9G240 I have a no spark condition on this Roadrunner, it has an electronic ignition system. Battery fully charged. Have voltage dropped all ground all within specs. I am not a Chrysler person and know limited knowledge about the setup. I have conducted the following...	View
	1994 Dodge B350 5.9L No Start VIN: 2B5WB35Z1R Hi Y'all! We really need help with this van. It belongs to the school district and is used for maintenance...not kid hauling. It has a long history (several years) of not starting after hot soak. We can duplicate the problem in the shop. When it is running, th...	View
	1999 Dodge Avenger 2.5L Misfire VIN: 4B3AU42N7X this avenger has a missfire on cold start only. After you drive for 5 min misfire goes away. It is more prevelant at idle and slight throttle under full throttle it goes away. Trouble codes: P0300, P0301, P0305	View
	2003 Dodge Ram 2500 5.7L engine VIN: 3D7KU28D43 Hello, Ijust bought this truck for towing purposes and it has a cold start eng. noise like a slight knock,sounds like a couple marbles rolling around but it goes away almost all the way when warm.Just wondering if anyone has Dodge exp. with the Hemi 5.7. I am...	View
	2005 Dodge Grand Caravan SE 3.3L inst cluster wipers VIN: 1D4GP24R25 I have a 2005 dodge grand caravan came in with a complaint of no wipers all warning lights on and gauges not working. after van sat over night warning lights went out and nothing in inst panel works. panel will self test but then goes dead again. replaced body...	View
	1986 Ford F-150 5.0L No Start VIN: 1FTEF14NGN Hi Everyone, I have an 86 F150 in the shop that I am trying to get running for the owner. The owner is in the process of restoring the truck but he was not able to get it to start. The electric fuel pump will not come on. There is no power to the pump and I t...	View
	2000 Ford F-250 Super Duty Lariat 7.3L Hesitation, Surge, Cuts out, Stall VIN: 1FTNW21F5Y Truck came in with intermitent stalling problem and surgeing. The truck has surged and stalled on me many times and has no particular pattern to the failure. When it does stall is has always started right back up for me. I would swear its a bad cam sensor, so ...	View
	2002 Ford Expedition XLT 4.6L press conro sol. VIN: 1FMRU15W82 hey guys! im not a tranny man, so any help is appreceated. this truck will surge ad buck and die in revere alot, and a ittle in drive. no codes no data change. i pulled the pan, and the pres control sol. is 191 deg. key on. is tha norm? i have a 8800.00 volt r...	View
	1995 Honda Civic DX 1.5L 1-2,2-3,3-4 Shift VIN: 2HGEJ2233S Hello. This is my own vehicle that I have just purchased from a customer who declined repairs on this car and wanted to sell car as is, which required cylinder head work. He claims car ran fine before Major overheating to engine.Engine is repaired and runs wel...	View
	2002 Honda CR-V LX 2.4L drivetrain VIN: JHLRD78482 hi this is my first time posting. this vehicle has an intermitten vibation at 38-42 and at 48-51 mph that is so pronounced it almost feels like driving on a grooved shoulder,it also feels like is coming from the rear of the vehicle.we inspected the rear axles ...	View
	2000 Hyundai Sonata 2.4L idle problem VIN: KMHWF25SXY HI, I have a 2000 hyundai sonata coming to the shop. ON park or neutral, if you rev the engine to 2200 rpm, the engine would drop down to 700rpm without letting of the gas. It would do this without fail. the owner have brought this car to the dealership for th...	View
	2002 Hyundai Accent GL 1.6L MIL Lamp on car came in with code for code p1401-dmtl malfunction. havent dealt with any evap problems on hyundai. looked for any obvious problems like wiring and hoses and found nothing. alldata is no help. the hyundai website is no help either. found nothing in iatn arc... Trouble codes: P1401	View
	2002 Lexus LS430 4.3L Mechanical VIN: JTHBN30F92 HI ALL LEXUS TECH. THIS CAR CAME TO MY SHOP TO REPLACE TIMING BELT BECAUSE IT WAS DUE TO REPLACE AT 90,000 MILES. WE REPLACED THE TIMING BELT, THE WATER PUMP, AND THE CRANK SEAL. AFTER THE PARTS WERE REPLACED, WE STARTED THE CAR AND THE ENGINE MISFIRED AND TH...	View
	2001 Mercedes-Benz SLK230 Kompressor 2.3L Misfire VIN: WDBKK49F51 Hey guys. I'm taking over a co-worker's job, and he replaced these parts here but still has the same miss. It doesn't miss badly but when you rev the engine up to 2000 rpm it starts to miss quiet a bit. I checked the miss counts on the scanner and it has #1= 3...	View
	1998 Mitsubishi Diamante ES 3.5L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Misfire, MIL Lamp on VIN: 6MMAP37P4W really need some help here guys. i have this diamante that came in a no start with cam and crank sensor codes. we installed a crank sensor because it was dead. fired the car up and it was missing and popping like crazy so we installed a cap and rotor. now at i... Trouble codes: 340 (cam pos)	View
	1998 Oldsmobile Bravada 4.3L Cuts out VIN: 1GHDT13W3W Truck loses power while driving at speed for about 30 seconds. Does not cut off just slows down and transmission down shifts. Then it regains power and everything is fine.It may go for days and not do it, or do it a couple times a day.It trips a code of 0300 m... Trouble codes: 0300 (multi cylinder miss fire)	View
	1993 Plymouth Laser 1.8L No Start, no spark help i need to be sure this is the problem before i spend this much money. My car died after hitting large pot hole in road. I have fuel press. and no spark. I replaced dist cap, rotor and wires new plugs. the car started idled while i picked up my tools then ...	View
	1986 Pontiac Firebird Trans Am 5.0L Poor Idle Quality, MIL Lamp on VIN: 1G2FW87FSG I have a code 44 with check engine light on. Fuel pressure is 35 Psi at idle and 42 at snap throttle. Seems to be intermittent as when at idle the car runs great with integrator at 138 and block learn at 140 or so.Still on the lean side. All of a sudden the ca... Trouble codes: 44 (lean exhuast)	View
	2004 Pontiac Aztek 3.4L High Presure Line VIN: 3G7DA03E24 This system squeals/whistles and I feel a vibration in the high side line to the evap. The duration of the noise is only about 1-2 sec and is intermittent but often within 30 secs or so. Sometimes not at all but for sure it is coming from the high side line. H...	View
	1998 Volkswagen Jetta Wolfsburg Edition 2.0L door locks,starting VIN: 3VWPA81H6W Hello group..here is what I got front passenger and both rear power window not working,front passnger needed window motor and both rear window needed regulators because of customers budget she decided to replace rear window regulators first and do front window...	View
	1999 Volvo V70 X/C AWD 2.4L Electronic VIN: YVILZ56D1X I have received this car with the complain of low power. I found out that the turbo output is very low (3lbs/square inch). The turbine is turning freely. I checked the plumming to the inter-cooler - didn't find any leek anywhere. Vacuum tested the waste-gate d...	View

Fixes & Summaries for All Makes and Models

	Fix/Summary	Answers
	2001 Audi A6 Quattro 4.2L MIL Lamp on VIN: WAUZL64B81 Found both combi-valves not working properly. Replace both and fixed problem. Thank you all for your inputs. Regards, Terry Trouble codes: P0491 (Sec. Air Inj. Sys. Bank 1 Incorrect Flow Detected), P0492 (Sec. Air Inj. Sys. Bank 2 Incorrect Flow Detected).	20
	2002 Audi A4 1.8L wipers VIN: WAULC6802A Thank u for all the replies, This car was do to my error I did not check the drivers spindle as well as I though . I took it apart again and sure enough it was seizing. I must have been in a rush shame on me . I took it apart and freed it all up now everything...	5
	1994 Buick Century Special 3.1L Poor Idle Quality, Cuts out, Stall VIN: 1G4AG55M4R thank you everyone for the helpful ideas.the problem was a glitch in the maf sensor.replaced sensor and vehicle has been fine ever since.	24
	1993 Cadillac DeVille 4.9L hvac VIN: 1G6CD53B9P The problem was the low side temp sensor. Thanks to everyone who replied.	15
	1995 Chevrolet Cavalier Z24 2.3L Steering assist VIN: 3G1JF12D6S Where to begin, I got finally got caught up to be able to conquer this one. Power steering pump on "QUAD 4" starting in '95 is driven by a female hex on opposite of drive end of intake cam to a hex shaft made to the pump center vane rotor. Seems the cam has a ...	5
	2001 Chevrolet Corvette 5.7L air outlet temperature VIN: 1G1YY22G91 The first 3 replies, within a couple of hours, said that the problem was low refridgerant even though the pressures were normal. That was the problem. We evacuated and filled the system and the problem is solved. Thank you all!	6
	1995 Chrysler Cirrus LX 2.5L Poor Idle Quality, Cuts out, Misfire VIN: 1C3EJ56H4S I had a pattern of wide an narrow windows in the crank waveform, I pulled the starter to check the width of the slots in the flywheel and found them all to be the same. The dealer had just put on a crank sensor and they said the problem started shortly after t...	6
	2002 Chrysler Sebring LX 2.7L cv axle,transaxle assembly VIN: 1C3EL46R92 Hello,I am fed up with it now.I took off the diff cover and everything is great in there.Looks like new.I removed the sway bar with the same results.I changed the rack because the inner tie rod had quite a bit of play.Did the rivet tsb.Same thing.I have spent ...	35
	2001 Dodge Ram 2500 5.9L Hesitation, Surge VIN: 3B6KC26691 First of all I would like to thank all those who took the time to reply to this post I also would like to thank [...]. for their time. I cleaned all grounds in the system finnis said tps ground, the vech. runs better however it still acts up on oc...	5
	1999 Ford Taurus LX 3.0L Surge, Cuts out well i have had vehicle two weeks,problem only occured breifely a few times, i have voltage drop test all pcm powers and grounds, all were ok,voltage drop crank and cam wires, cust picked up vehicle, will drop off when problem gets more frequent	4
	2001 Ford Focus SE 2.0L Surge VIN: 1FAFP34P51 Sent focus to dealer,installed fuel pump for fix. Thanks for all replys.	10
	2003 GMC Sierra 1500 5.3L instrument cluster VIN: 1GTEK14T22 Hi: this one is fixed. First we tried to reflash bcm and ecu to see if a new download would fix the problem. Used GM site and truck had the latest and greatest software already in it. I talked to a tech at GM and he did some research and found a warranty bulle...	6
	2001 Hyundai Elantra GLS 2.0L Hesitation VIN: KMHDN45D11 WELL GUYS, SORRY IT TOOK SO LONG TO CLOSE BUT I WANTED TO MAKE SURE CAR DID NOT COME BACK! CAR HAD TWO PROBLEMS,TPS WAS BAD CAUSING HESITATION WHEN WE DROPPED CONVERTER REPLACED TPS & CONVERTER & CAR HAS NOT COME BACK. THANKS AGAIN TO ALL WHO REPLIED!	7
	1996 Jaguar XJS 2+2 4.0L No Start VIN: SAJJPALG3B Thankyou for all the replies the fix was the cranksensor, the car has not come back since and the customer is happy. We fitted a cranksensor from all the suggestions thankyou again for all the advice. Trouble codes: P1621.	3
	2003 Mitsubishi Eclipse GTS 3.0L electric VIN: 4A3AC74H03 Hello all, I find out the problem is the ignition switch connecter was loose. Because the clip of connecter had been broken. Thangs for help.	4
	1991 Subaru Justy GL 1.2L Starting VIN: JF2KD83A4M It appears that one of the grounds for the computer is run thru the shielding that goes back to the dist. this wire had lost its ground repaired the shielding by running a new wire and regrounded it at the dist vehicle starts	4
	1993 Toyota Camry XLE 3.0L cyl head VIN: JT2VK13E5P well mark from penn hit it right on the head my tech had the left head cam gear installed backwards i took it apart corrected the gear reset timing marks it fired right up luckily he didnt bend any valves car was given back tocustomer thanks for all the great ...	24
	1998 Toyota RAV4 2.0L Hesitation, MIL Lamp on VIN: JT3HP10V5W Sorry it took so long to close. THis vehicle is not fixed. I spoke with a toyota shop forman he faxed me his diagnostic tree and we still came up empty. He stated he had never had this issue before. I did find out however, that Toyota sells a new updated c... Trouble codes: P0340 (camshaft position sensor circuit malfunction).	14

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