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Prev Professional Automotive Repair Technical Discussions for June 25, 2006
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Open Help Requests for All Makes and Models
Help Request Answers
1992 Chevrolet S10 2.8L Excessive Emissions, Poor Fuel Economy VIN: 1GCCS14R0N
Hi guys I have this 92 S10 that is running rich. The O2 is staying at 496 and goes to 500 mv,and thats all.Maybe shows 2 crosscounts. I replaced the fuel pressure reg. and O2 sensor after countless time spent.The owners tried 2 different computers and a map se...
1966 Ford ac cobra 427CID Surge
finaly got this cobra running , now back to the carbs does any one have experience on jetting these things . two days of playing and it runs better but has a large stumble at 2000 - 2500 rpm. the current set up is 38mm chokes, idle air130, idle jet 60, main je...
1988 Ford Thunderbird LX 3.8L Poor Idle Quality, Hesitation, Surge, Misfire VIN: 1FABP6242J
Must be missing something simple here - car has surging idle, lean roll, acts as if EGR valve is leaking at idle. Blocked and tested the valve, showed no problems. Base idle and TPS set (TPS 1.15V closed, 4.4V WOT) and MAP Signal seems okay (140Hz KOEO, 110Hz ... Trouble codes: 41 (HEGO Not Switching System Always Lean)
1993 Ford Explorer Eddie Bauer 4.0L Hesitation, Surge, Misfire VIN: 1FMCU24X4P
This Explorer came in with customer complaining about surging with loss of power. It took us 2 weeks of driving to duplicate the problem. We got a couple of snap shots of the engine data, and when it acts up it goes into Open Loop with both O2 sensors going to...
2001 Ford Escape XLS 3.0L torque converter VIN: 1FMCU02101
Hi All, I have this escape that i cant seem to find anything wrong with it but it has a problem. when you are driving it at highway speed 45-65 ( or faster i am sure but that is as fast as i can go on our roads ) it will have a part throttle TCC unlock shudder...
2003 Ford Explorer Limited 4.6L Transfer case VIN: 1FMDU75WX3
Hey everyone. This explorer was originally worked on by another technician who replaced the front diff for a whining noise. This vehicle still had a whining noise when I got it. I test drove and found it would whine usually at about 80km/h and got louder with ...
1996 Honda Civic DX 1.6L MIL Lamp on VIN: 1HGEJ6221T
Got this Honda with p0171 code, mil on, checked over for vacuum leaks, nothing visible, runs good at idle, short fuel trim is high at idle, not very familiar with Honda, any help would be appreciated, Thanks in advance. Trouble codes: P0171
1998 Honda Civic EX 1.6L Speedo VIN: 2HGJ6448WH
No speedo most times. Sensor has been changed but no effect. Ignition feed,ground,sensor feed seem good. Piggy backed temporary ground and speedo worked better but stillintermittent dropout.
1994 Jeep Grand Cherokee Laredo 4.0L No fuel, no spark VIN: 1J4GZ58S1R
Customer towed to shop. No start. Had been broken into on passenger side. Owner had also stated there had been some intermittent problems with starting prior to breakin. Owner also stated that previous owner said PCM had been replaced about 2 years ago. Alarm ...
1993 Mazda 626 ES 2.5L No Start, Surge, Stall VIN: 1YVGE22B6P
This car has a very intermittent stall and sometimes no restart for a short period of time.Customer has brought vehicle to us a few times but we could not recreate condition. Finally I was able to recreate in my stall.I have to let vehicle get very warm,(30-45...
1977 Mercedes-Benz 450SL 4.5L Turn Signals VIN: 1070441204
Both turn signal directions cause signal relay/module located under dash to buzz. I hope someone has already run across this on a 77 450 Mercedes. All I have for this one is a Haynes book, of little help (itsy-bitsy micro-print schematic). Since Mercedes part...
1977 Nissan b210 1.4L Poor Idle Quality, Surge VIN: HLB2103177
Replace intake manifold because some one broke the flange and had a vacuum leak but who did it before didn't connect the vacuum hoses correctly and some are blocked. Any help with a vacuum diagram,(emissions) thanks in advance

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1996 Audi A3 1600CC Instrument Panel
Managed to get someone who had some software to retrieve the pin code and reprograme the dashand the keys.
1966 Chevrolet corvette 350CID adding power steering
Client and I agreed the best way to approach this is finding a complete kit ready to install. Steve mentioned Ecklers ( Seems they have several styles for big blocks, small blocks, and even rack and pinion conversion kits. Luckly the client had...
1997 Chevrolet C2500 Suburban LT 7.4L valve train VIN: 1GNGC26J1V
after replaceing the valve rotater the noise becomae intermittant and not so loud. finally i added a qt of riselon to the engine and the nose has not reoccured at all this week i'll keep my fingers crossed. Thanbks for all the replies but i'm beginning to thin...
1998 Dodge Ram 2500 Truck 5.9L No Start VIN: 1B7KF236XW
Thank you to all who have replied. We did a little more research and found out that the vehicle does not maintain fuel pressure in the lines and the transfer pump does not have a one way check valve located in it. After installing the updated fuel pump from th... Trouble codes: P1689 (no com between ecm inj pump).
1994 Ford F-150 XL 5.0L Poor power VIN: 1FTEX14N9R
I would like to thank all of you that replyed to this request. A lot of you said plugged exhaust, that was not the case, the cat had been knocked out by the customer and the rest of the exhaust was new. Fuel presssure was checked may times on both tanks with n...
2002 Ford Windstar SE 3.8L reverse shift VIN: 3773889944
Hello fellow members. I am going to have to close this request with out a fix.I want to thank all the members that sent help. All were very helpful. I related the info to my customer. He said he don't have money now to fix it. And for some weird reason he don'...
2004 Honda Odyssey EX 3.5L ABS & Traction Control VIN: 5FNRL18044
I attempted to best describe the circumstances that lead up to this problem. I didn't expect replies on the administrative side of this matter. Nevertheless a big thanks for your guidance. After uncovering or should I say deciphering the manufacturers informat...
2003 Oldsmobile Silhouette Premiere 3.4L Radio Speakers VIN: 1GHDX13E42
I went to freinds shop, that has a Tech-2. It was working OK at the time but there was some speaker codes in the radio. Since the wife said she heard cackling noises out of rear speakers, I just replaced both rear speakers. While on vacation, temps were in the...
1999 Pontiac Grand Am SE 3.4L oil pressure VIN: 5848496587
Hello felow members. I wanted to thank all the members that replyed. Very helpful information. I learned from them. I decided to sell the car. But the info you sent will probably help me next time. All of you that helped, buy yourselves a beer on my name. You ...
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