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Prev Professional Automotive Repair Technical Discussions for May 1, 2011
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Open Help Requests for All Makes and Models
Help Request Answers
2005 BMW 645Ci 4.4L Mechanical VIN: WBAEH73445
hello all we had 2005 bmw 645ci com in with mil light on it read multiple mis fires s 8 s6 s2 s4 s3 s5 smoke the system we find leak intake we remove intake we find oil insid the valve no smoking out tail pipe we clear cod and we drive the car for thwinty meni...
1999 Buick LeSabre Custom 3.8L Poor Idle Quality, Surge, Cuts out, Stall VIN: 1G4HP52K0X
ok so a 1999 buick lesabre custom with 3.8L comes in and customer complains of engine light on and vehicle stalling around corners. i scanned the vehicle retrieved current code of p0102 MAF circuit. cleared the code and went for a road test found under moderat... Trouble codes: P0102 (MAF circuit low frequency)
1994 Dodge Dakota Sport 3.9L Revers VIN: 1B7GL23XOR
When cold goes into revers fine and acts nice, after say 5 miles when I go to revers its like full line pressure to revers and wants to fully ingauge revers and rpms goes up, just fine in forward.I know the cooler line check valve is gone.OD and all forward ge...
2005 Dodge Grand Caravan SE Plus 3.8L Hesitation, Cuts out VIN: 2D4GP44L55
This vehicle was brought in from another shop...still a mystery...The other shop had installed a good used engine in this vehicle..after the used engine was installed it started having the issue where the flex plate cracks..but in fact the flex plate was not t... Trouble codes: P0032
1976 Ford Mustang II Ghia 2.8L Hesitation, Cuts out, Stall, Misfire VIN: T234567890
The beast came back. Ran great for several weeks. Suddenly can't accelerate past 2000 RPMS, hot or cold under load. Will back fire sometimes. Timing is set at 12 BTDC. Hasn't changed since tune up, marks are still fresh and visible. Changed the fuel filter aga...
1995 GMC K2500 Sierra SL 6.5L take off VIN: 1GTGK29F1S
I recently bought this truck, what it does is slip or 2nd gear start off the line then bangs into first gear then all is only does this if slowed to a stop in D,3,2,1 if shifted into D from R or N it does not act up. in manual 1 it doesnt act up. when ...
2004 GMC Safari 4.3L Poor Idle Quality, Misfire, MIL Lamp on VIN: 1GKEL19X34
Hi all we are working on a 2004GMC Safari and we have tried everything and this sucker will not stop misfiring... Valve job, tune up, changed injectors, changed distributor, no matter what we do, same result, misfire. Any help would be greatly appreciated. Tha... Trouble codes: P0300, P0302, P0305
1991 Honda Civic DX 1.5L ? Ecu VIN: 2HGED6350M
Car has been well maintained: invariably started and ran well since rebuild. Unexpectedly refused to start one morning. Engine turns over correctly and fires irregularly but never on enough cylinders to start engine. Acts as if engine is fuel starved or floode...
1997 Lexus LS400 4.0L Poor Idle Quality, MIL Lamp on VIN: JT8BH28F7V
Hello,hope all is well.Ihave this night mare lexus that is smoking bad trims are negitive,p300 code i have missfires on every cylinder just on bank 2 everything else seems to be ok.When I have the key on engine off i could here one of the injectors on that ban... Trouble codes: P0300
2004 Lexus RX330 3.3L Poor Fuel Economy VIN: 2T2HA31U34
He is a friend of mine and he complain about poor fuel economy and code set p2197 so I replace the b2s1 o2 sensor and I find out the check engine light not even working.A week later he said still poor mileage so I scan it the code p2197 came back again and i u... Trouble codes: P2197
2002 Mercedes-Benz S55 AMG 5.5L Abc Suspension VIN: WDBNG73J72
Noticed abc suspension fluid leaking on left front side around reservoir.changed the filter and fluid,cleaned the area around leaks after.ride is fine moving up and down with switch.but everytime driving the car when hit any road hump abc light co...
2002 Mitsubishi Galant ES 2.4L high beam VIN: 4A3AA46G52
Customer bought car from auction. Has low beam headlights but no high beam. Customer brought car in wanting headlight/dimmer switch replaced.(He supplied AZ part). Still no high beam lights. The only other thing I could see contributing to the problem was the ...
2003 Nissan Altima SE 3.5L press pedal no go VIN: 1N4AL11D43
Have 2003 nissan altima,auto,4 cly. The issue is car runs but when you try to accerate it does'nt respond,The code can up for mass air neter,replaced one from auto zone went around building and right back to the same thing.Put another one from auto zone 4 mile...
1997 Saab 9000 CS 2.3L No Start
Hi, Vehicle came in with no start condition. Found starter would crank for a few seconds and stop.When starter stops there is a noise starts coming from the right side of the dash. After more checking found that anti-theft module stops supplying voltage to sta...
2001 Toyota Avalon XL 3.0L No Start VIN: 4T1BF28B91
Customer came home from church, parked car in garage, went out later to drive it, wouldn't start. Vehicle is well maintained. Cranks over fine, battery is strong. Looking for a common cause with this scenario. I know not much to go on but looking for any ...
1998 Volkswagen Passat GLS 1.8L Poor Idle Quality, MIL Lamp on VIN: WVWMD63B0X
hi, guys thanks in advance I think the two most common faults on these Passats are tghe ABS modual giving out and the throttle body that needs to be changed with an updated part. In anycase, after changeing the throttle body the check engine light came on the ... Trouble codes: P1565
2002 Volkswagen Passat GLS 1.8L Stall, Misfire, cold start
Hi there I have got an 02 passat that has a cold start misfire stall we have checked for vac leaks (smoke tested), check fuel pressure (50-52 psi), replaced coils with the lateset OE parts the MAF has been changed 2 times (jobber and then OE part) T/body has b... Trouble codes: P0300, P0301, P0302, P0304
2006 Volkswagen Passat 2.0T 2.0L ac system VIN: WVWAK93C16
Hi VW Expert Ladies and Gents, Need some advice. This Passat is at proper freon levels. It has a low side of 45-50 and a high of 150-155 and 60 to 62 degrees at center vent (won't get it done in Florida heat) at idle. Even at 3000 rpm pressures only change sli...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2002 Chrysler PT Cruiser 2.4L engine temp VIN: 3C8FY68B32
took radiator out took it apart lo and behold huge huge amounts of muck and just nasty replaced radiator car runs cool now customer is satisfied it was misdiagnosed as a water pump regardless she wanted her timing belt changed so water pump would have been cha...
2005 Ford F-250 Super Duty XLT 5.4L locks up VIN: 1FTNF21575
thanks everyone after about 20 minutes of turning the wheel back and forth we got it to act up and most of you were right the u-joint was locking up Thanks!! I love this site
2004 GMC Sierra 3500 WT 6.6L knocks and smokes VIN: 1GDJK342X4
I would like to say thank you to william [...] for getting me thinking in the right direction. While watching the inj ms all would stay around .65 except 1,2 and 7 would occasionally drop to .00 Took injector 1,2,7 connectors apart and tightened connectors. T...
2004 Jeep Wrangler Unlimited 4.0L Poor Idle Quality VIN: 1J4FA49S14
I connected DRB and reset memory ie minim tps and sync. Let helped slot. Then I remove iac motor and used 3M throttle body spray cleaner and cleaned throttle body and ias motor. Reassembled and truck has never run better. Thanks for all the help.
2006 Kia Optima LX 2.4L Poor Idle Quality, Hesitation, Cuts out, Misfire, MIL Lamp on VIN: KNAGD12626
OK so this car was going to put me to the test and my use if my tools. As for the codes I dont have hard copy anymore that they were on but the codes were B1S1 Low or no activity and B1S2 Low or no activity. And this was it, B1S1 was at 40mv and S2 was at 20 m...
2004 Lincoln Aviator 4.6L Cylinder 8 VIN: 5LMEU68H24
sorry took so long to close. it is his wife's vehicle. nevere had much time to really get into looking at it more thoroughly. He has talked to her about trading it in. Oh well, thanks for all the relies guys. It was all useful information, but in the end nev...
1992 Mazda B2200 SE-5 2.2L Poor Idle Quality, Misfire
Thanks to all who replied. I've come to the conclusion that the old motor is just too tired ie rings and valves. I have sourced a good used complete engine am going to swap out this coming weekend. Once i have a known good runner in place I can address any oth...
1999 Mercury Cougar V6 2.5L Transmission VIN: 1ZWFT61L8X
Thanks everyone for the replies. I do some transmission repairs and remove and install used and rebuilt units all the time, I just don't have all the tools to perform complete rebuilds. I actually found one in town with the same part number and low miles. I am...
2006 Nissan Sentra 1.8L Hesitation, Misfire VIN: 3NICB5ID36
A/F sensor was still operating within parameters also all other sensors operating within parameters just tripping light,Replaced ECM,no more light and car runs great. Trouble codes: P2A00.
2006 Toyota Corolla S 1.8L MIL Lamp on
thanks for everyones input,rechecked oil pressure,soloined operation and wireing,only conclusion was to replace cam gear as per toyota bulletin, car has been back on the road a week ,no more fault code. Trouble codes: P0012.
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