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Prev Professional Automotive Repair Technical Discussions for September 9, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
2005 Audi A4 Quattro Cabriolet 3.0L convertible top
Customer bought car at auction, top does not operate. clear codes and after pressing button for top code 02023 reappears terminal 87 implausible. Have changed convertible top module for updated one. Still inop. with same code. Does anybody know what relay this...
2004 Dodge Durango ST 3.7L Engine VIN: 1D4HD38K84
Ok guys this truck has misfire with no codes I've tried the coils check all commpression checked fuel pressure it runs good on road but at idle has bad misfire
2004 Ford F-150 FX4 5.4L Misfire VIN: 1FTPW145X4
Customer called with check engine light flashing and drove over two hour - against advise. Thought for sure cats would be melted down and plugged. So replaced plugs checked coils and injectors ok. Now found 1,2,3,4 dead and 5,6,7,8 firing normally. No exhaust ... Trouble codes: P0304 (Cylinder Misfire), P0308 (Cylinder Misfire)
2008 Mazda 3 S 2.3L vibration/click VIN: JM1BK34468
this vehicle has an intermittant severe steering wheel vibration above 40 mph usually occuring after slowing down at highway sppeds (example slowing down for highway tollbooth). also very intermittantly vehicle will exhibit a clicking noise with rotation as it...
2002 Nissan Altima SE 3.5L No Start VIN: 1N4BL11D82
Nissan techs I need help. This altima is my once a year car. Once a year you get a car that seems impossible to fix. I think most of us have had a few. Most shops would ship the car out but not me. I have covered most every base with this POS. Fixing this car ...
2003 Nissan Altima 2.5L Engine VIN: 1N4AL11D03
Customer came in complaint about a missfire she said she just had cylinder head replaced and shop said it would work it self out lol. When came in had cyl 1 missfire I've check commpression changed coil ,checked fuel pressure and check injector all good so I c...
2002 Oldsmobile Silhouette Premiere 3.4L Surge VIN: 1GHDX03E02
This is my own vehicle. The car has had lack of power problems for about a year. In the past six months, it has had a new MAF, Catalytic converter (GM), Knock sensor, and harmonic balancer. Car is 85% better. It still has a slight surge when accelerating expec...
1991 Toyota Camry 2.0L No Start VIN: 4T1SV24E0M
I would be grateful to anyone with some knowledge about this system. I changed the coil which def tested bad, and repaired some crossed wires to the distributor pickups from the ecu. Now if i spin the distributor shaft by hand about what cranking speed would b...
2003 Toyota Camry LE 3.0L ignition and fuel VIN: 4T1BF32K63
Hi everyone, hope someone can help me out with this. Vehicle came from another shop with a crank no start condition.No spark or injector pulse found. Tech at that shop replaced the Crankshaft poistion sensor, still not starting. I used a Snap-on scanner and fo...
2004 Toyota 4Runner Sport 4.0L Poor Idle Quality, MIL Lamp on VIN: JTEBU14R64
hello friends, have a reocuring but intermittent fault with v6 4.0l lean bank 1 usually occurs at idle after driving on freeway come to stop and the idle will start to shake after about i minute, the mil will set,the engine does not stall, if you accelarate fr... Trouble codes: P0171
2004 Volkswagen Jetta GL 2.0L No Start VIN: 3VWRA69M94
This car was towed in with a broken timing belt. I did a leak down test and it had 100% leak down in cylinder #1. I removed the head, replaced the bent valves, re-assembled the motor with a new timing kit with the water pump. The car now does not start. I have...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Chevrolet Colorado Z85 2.8L No Start VIN: 1GCCS19845
Thanks for everyone's help once again. Especially Michael. It turned out that circuit in the pcm that energizes the starter relay was bad. Installed pcm and all is well. Thanks again.
2006 Chevrolet Colorado LT 2.8L temp gauge VIN: 1GCCS13836
i want to thank everyone for their help my brother is going to leave it like this for now. I had another chevy colorado that came in and compared operating temps on scanner and was the same 210-212 temp and gauge sweeps did have differences again thanks to all...
2007 Chevrolet Silverado 1500 WT 4.3L Poor Idle Quality, Poor Fuel Economy VIN: 1GCEC19C67
As of Friday the customer has not given the go ahead to begin repairs. Removing the belt to see if the engine load would go down was a fantastic idea. Also, the best suggestion was to check fuel pressure. I did check fuel pressure and it bled down instantly, ...
2001 Dodge Durango SLT 4.7L 3-4 shift VIN: 1B4HS28N61
with the age and milage of this vehicle the customer decided to trade the vehicle and not repair the transmisson. thanks to all who replied.
2004 Ford F-150 Lariat 5.4L torque converter VIN: 1FTPW12524
Thanks to all the techs that came in and help with your replies, I did like you said and replace the trans fluid with mercon 5 and an anti slip additive.that solve my problem.thanks guys
2004 Ford F-150 Heritage XL 5.4L Poor Idle Quality, MIL Lamp on VIN: 2FDPF17M64
Thank you guys all for taking some time and tried to help me,most every body were saying there is a vacuum leak and some suggested to test and clean the air flow sensor,since my problem was on one bank 1 only i did not suspecect air fow sensor and i had plent... Trouble codes: P1131.
2005 Jeep Grand Cherokee Laredo 3.7L rockers VIN: 1J4GR48K05
thank you all for the help sorry it took so long to close. the motor was sent back to the junk yard and swapped with another. the customer found the motor's. the "new" motor looks alot better and newer. installed it and runs good. customer supplied part is the...
2003 Mercedes-Benz SLK320 3.2L Driver side ignition VIN: WDBKK65F63
I got the car back on Friday. Scanned it again with both the Verus and the Launch. Verus said code 04 air bag incorrect coding. The Launch said code 04 drivers air bag ignition. Nether tool would clear the code. Last week when we put the clock spring in we had...
2004 Suzuki Forenza S 2.0L p0449 VIN: KL5JD52Z94
Thanks to all for the replies. Richard was the closest. I thought the connections were clean, but went back to double check as Richard suggested. They were, but here is what I found. While checking the connections at the plug at the valve there is about 6-8 in...
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