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Prev Professional Automotive Repair Technical Discussions for May 16, 2004
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Open Help Requests for All Makes and Models
Help Request Answers
1998 BMW 750iL 5.4L Starting VIN: WBAGK2325W
Vehicle was towed in because of an overheating problem. Customer states that he drove car home and saw coolant leaking from radiator. We sent a wrecker to pick vehicle up and when it arrived we had a no crank car. Pushed vehicle in shop and did some testing, a...
1991 Chevrolet Beretta GT 3.1L Poor Fuel Economy VIN: 1G1LW13T8M
Hi, I need some help with this vehicle: After a recent engine swap, the fuel mileage on this Beretta has dropped significantly. The fuel mileage has dropped to 14.6 mpg. The engine was taken from a '92 Cavalier which was getting excellent fuel mileage. I have ...
1997 Chevrolet Express 1500 5.7L Hesitation, Surge, Cuts out, Speedometer VIN: 1GBFG15R4V
Vehicle was towed in. Driver is not very car-savey, so discription of symptoms was hard to come by. Driver says vehicle wanted to accelerate all by itself - brakes worked poorly, - says she had to "run"2 stop lights because she couldn't get it stopped- says sp...
1994 Dodge Intrepid 3.5L compressor VIN: 2C3HH46FXR
no electrical current to ac. compressor clutch.clutch engages when doing atm. tests with scanner
1995 Fiat Punto 75 1.2L Stall VIN: ZFA1760000
Car came in with "stalls very time you take your foot off accelerator" and it did! Checked idle stepper motor - very dirty - cleaned and stalling reduced but still happening. Replaced stepper motor. Car ran fine for a day then back to stalling - less frequent....
1995 Ford Windstar 3.8L down shifting VIN: 24MDA5140S
Vechile came in with down shifting problem. No codes. Removed VSS, bench tested with drill. Bench test o.k. Re-instatlled VSS. Put car on lift and re-tested. No signal from VSS thru scanner. Disconnected battery, removed VSS again, unpluged connector by brake ...
1996 Ford Explorer Eddie Bauer 4.0L abs VIN: 1FMDU34X7T
1999 Ford F-250 5.4L plug threads VIN: 2F145N4509
please excuse the vin # i'm at home asking for youre help. this 5.4 blew the #6 plug out of the head. what i am asking for is the napa part number to the heli-coil kit they offer. oure napa can't find it. thanks in advance for youre time, help. dave
1992 GMC C1500 Sierra SLE 4.3L Poor Fuel Economy VIN: 1GTDC14Z7N
this one has me stumped. the truck starts up and idles great, good performance and power, it averages 18 mpg in city however the mileage drops to 13 to 15 mpg on steady highway driving. average 75 mph. the check engine light comes on after aprox. 30 min of fla... Trouble codes: 44 (lean exhaust)
2003 GMC Sierra 1500 HD SLE 6.0L Ride Quality VIN: 1GTGK13U43
Hello All, This truck was offered at a really low cost to my customer when it was new, and I think it was due to the fact nobody wanted it.. Customer drove and told dealership that the ride was too harsh to see what they could do about it.. Well they put Mich...
2000 Isuzu Trooper Limited 3.5L Poor Idle Quality, Hesitation, Misfire, MIL Lamp on VIN: JACDJ58XXY
customers complaint , engine will start to sputter when he gets in sand on the farm or the beach. could not duplicate .pulled codes on first attempt at repairs had p0300,p0706,p1171. replaced plugs, fuel and air filters. cust. calls back two weeks same sputter... Trouble codes: P0300 (engine misfire), P0706 (trans range sensor circuit performance), P1171 (fuel supply lean during power enrichment)
1989 Mazda MPV Cargo 3.0L No Start VIN: JM3LV522XK
This vehicle will sometimes not start and sometinmes stalls while driving,after a short time it will fire up and go.The only time it did it for me with the key on not cranking the dash lights were flashing bright and dim,the tach was also flicking up and down....
1989 Mercedes-Benz 300SE 3.0L acceleration VIN: WDBCA24D5K
After driving this car about ten miles it will not accelerate until the gas pedal is pushed to about three quarters of the way to the floor then it will take off like you flip a switch. it also idles rough when acting up. last time car was in we put a fuel pum...
1996 Mercedes-Benz E230 2.3L Valvebody VIN: WDB2100372
Hi Guys, Today we are working on a 1996 Mercedes E230 (210 chassis) with a 5 speed 722.6 auto. (the 5th is now inside the main case, and everything else is different from the 722.5!!) 160,000km. Scanned for codes, none logged. Can't find a pressure tap.(unus...
1991 Pontiac Sunbird LE 3.1L Poor Idle Quality, Hesitation, Surge, Stall VIN: 1G2JB11T8M
car seems to surge and sometimes stall when braking on decel after it is hot.Place car in netural and the surging goes away.RPM gauge goes down to 650 then up 800 only when I have the signals on. The car has a small rough idle when in park but its worse when t...
2002 Pontiac Grand Am GT 3.4L door locks VIN: 1G2NW52E32
This car belongs to my daughter in another city. She bought the car from Enterprise and since the electric door locks worked with the door buttons but not with the key fob. A trip to the dealer and they tried to program a transmitter and couldn't get any to wo...
1983 Toyota Celica ST 2.4L Hesitation, Cuts out VIN: JT2RA63CXD
Have a friend's '83 Toyota Celica here that will run and drive fine until you try to get on the freeway at WOT, it'll stumble, hesitate and cut out/slow down on you until you take your foot out of it. It'll run great around town as long as you aren't trying to...
1995 Toyota Camry LE 2.2L Stall, Misfire VIN: 4T1SK12E9S
This car came to me with the complaints "smoking" and "poor gas milage". "Smoking" turned out to be a ruptured top radiator tank, and while I waited on the new radiator, I checked and replaced the spark plugs and fuel filter. While filling the radiator (engine...
1999 Toyota Camry LE 2.2L MIL Lamp on VIN: JT2BG22K3X
Hopefully toyota techs can help out. this 99 camry keeps getting a code PO 136, O2 sensor fault bank one sensor #2. I think this car has a air/fuel sensor first then the downstream O2 behind the conv. I called the dealer to verify if California standards or no...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1990 Buick Reatta 3.8L door ajar indicator VIN: 1G4EC33C2L
Hello gents: We were finally able to narrow down the fault on this Buick Reatta. The BCM was at fault on this one. I tested all powers an grounds as suggested at ECM, Instument cluster and BCM. Even though BCM had all OK, it had a few gobblings lurking inside ...
1994 Chevrolet K3500 7.4L Cuts out, Misfire VIN: 1GCHK33NSA
i removed the cam to find that the lobes were worn.sorry it has taken so long to respond.my computer has been down.i replaced the cam and lifters and the vehicle runs great.thanks for all of the replies.
1996 Chevrolet C1500 Cheyenne 5.7L No Start, Stall VIN: 2GCEC19RXT
Well, it was more than one thing. The alternator decided it wanted to start introducing A/C voltage into the system, causing all kinds of weird problems. Seems like the truck had been losing power for a while, but no mention of it until after alternator diagno...
1995 Chrysler Cirrus LX 2.5L tcm
The only response I got was to try another TCM. But the one that was installed was a OEM reman, and the same exact condition reoccured so I believe the problem lies elsewhere. The customer hasn't brought the vehicle back in as yet. But, the only circuit that I...
1997 Chrysler Town & Country LX 3.8L engine VIN: 1C4GP54LIV
Thanks to all who replied, but it's still not fixed. I have taken at least 10 trips (3 stops & starts) and can't get it to act up. Thanks for all your input and I will try to let everyone know when I figure it out. Rick [...]
2002 Chrysler Intrepid 2.7L MIL Lamp on VIN: 2C3HH46RX2
Hello again to all and special thanx to Matt from North Carolina, Luke from British Columbia and David from Virginia for their accurate accesment and especially for the info from Luke, it proved very useful. The problem appears to have being the 'Natural Vacuu... Trouble codes: P4440.
1989 Dodge Dakota 3.9L No Start VIN: 1B7GG26X8K
Thanks to all the replys and a big I owe you one to Brian of Madison Automotive and Badger Engine. this one is fixed. Problem turned out to be a bad fuel pressure regulator. I checked fuel pressure as one of my first tests but because I had no fuel from inject...
1995 Dodge Intrepid ES 3.5L Misfire VIN: 2B3HD56F4S
Sorry this post took so long but the customer took a lot of time bringing the car back in. After receiving all your posts we tried several ideas that I received and still nothing. 95% of the posts said Intake leak and I had also said this earlier but could not...
1992 Ford E-350 Econoline 5.8L evaporator VIN: 1FBJ531H9N
Although we flushed the system and replaced many components the system acted like it was over charged with oil. We tried to distribute the oil as mush as posssible but it looks like it all ended up in the accumulator. Removed the accumulator and dumped almost ...
1995 Ford Windstar GL 3.8L Misfire VIN: 2FMDA5141S
greetings all , after rechecking and then checking again - i could prove that the wiring was o.k as well the injector being with ohm specs. so we told customer that she needed another pcm . she was reluctant as she did not have the money to repair in the first...
1996 Ford Bronco Eddie Bauer 5.0L No Start, Cuts out, MIL Lamp on VIN: 1FMEU15N5T
This Bronco does use the black module. It has CCD computer controlled Dwell. By chance we had a trainer from Vetronix teaching a class on lab scope utilization. We were able to take advantage of there 4 channel scope and look at the problem while it was happen... Trouble codes: P1351 (Ignition Diagnostic Monitor Circuit Malfunction), P0320 (Ignition Engine Speed Input Circuit Malfunction).
1997 Ford Escort LX 2.0L MIL Lamp on VIN: 1FALP13PXV
The car's horn also did not work and I found that they shared a ground wire that was corroded in two at the negative battery cable. Thanks for all the help, Cliff Trouble codes: P0500.
1999 GMC Sierra 1500 SL 5.3L 4 wd won't disegage VIN: 1G7EK19T1X
customer took vehicle and has not returned we tried some of the suggestions but couldn't fix problem.
2000 Nissan Xterra SE 3.3L compressor VIN: 5N1ED28T3Y
Thanks for all the help with this vehicle,it was the evaporator temp sensor that was bad,replaced it and everything is back to working well.I hope this helps others having the same problem.
1997 Oldsmobile 88 Royale 3.8L MIL Lamp on VIN: 1G3HN52K5V
thanks for all the help guys it was the pcv valve the o rings were messed up when put in new manifold put in a new one road tested and problem was gone. thanks for all the responses Trouble codes: P0401.
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