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Prev Professional Automotive Repair Technical Discussions for August 1, 2004
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Open Help Requests for All Makes and Models
Help Request Answers
1998 BMW 328is 2.8L Expansion valve VIN: WBABG1321W
Hellow BMW Techs, We have a winner on our hands , without a long drawn out story I'll get right to the heart of the complaint. The Expansion valve was changed because it was leaking. Since that replacement the customer noticed a wooshing sound or hissing soun...
1985 Cadillac Fleetwood 4.1L door locks VIN: 1GDW6988F9
Hello members, This caddy came in with intermittent door locks problem.Normally when put in drive position and driving off ,within seconds auto door locks , locks automatically by itself.It still works on and off.When it doesn't work,the power seat,remote rear...
1985 Chevrolet G10 Sportvan 5.0L No Start, No spark VIN: 1GBEG25H5E
NOTE: hit the wrong engine button, it is a 350 CID. Having a bit of a frustrating time with this GM HEI distibutor. The vehicle had no spark with 12 volts to the batt terminal. The coil tested according to the book with .6 ohms from the batt terminal to the t...
1992 Ford E-350 Econoline 5.8L hydraulic system VIN: 1FTJS34H5N
When I got this vehicle the brake pedal went almost to the floor before braking occured. I found rear brakes to be bad & replaced shoes, cylinders, springs, adjusters & drums because all were froze up. After bleeding & checking I got almost the same pedal. Rep...
1995 Ford Explorer Expedition 4.0L abs solonoid/valve VIN: 1FMCU24X6S
Vehicle brought in with antilock engagement at all speeds when braking,no light just feel dump and iso valve actuation.In our attempts to repair this vehicle we tested all three sensors with vantage getting all good readings.Not happy with our good findings we...
1998 Isuzu Hombre S 2.2L Poor Idle Quality, Hesitation, Surge, Cuts out, Stall, Poor Fuel Economy, MIL Lamp on VIN: 1GGCS1447W
Hello guys, thanks for reading this. This truck surges badly at idle, and will stall coming to a stop. It runs good above idle and at cruise. Replaced plugs and wires due to mileage. Cleaned throttle body, removed Iac and cleaned it and passage. Removed EGR, n... Trouble codes: P0507
1994 Lincoln Continental 3.8L MIL Lamp on VIN: 1LNLM9740R
This car runs fine but the check engine light comes on. Most of the time it is in memory but will pop up in a KOER test, too. The code is 212 loss of IDM (Ignition Diagnostic Monitor) input to the powertrain control module. I checked the fix database here and ... Trouble codes: 212 (loss of IDM Ignition Diagnostic Monitor input to the powertrain control module)
1996 Mercury Grand Marquis GS 4.6L Misfire VIN: 2MELM74W5T
This one came in w/ complaint of running rough. Checked vehicle for codes (no codes or p1000 actually). Test drove vehicle and noticed an intermittent misfire. Checked codes and found a random misfire, I drove a little more till a p0301 and a p0305 came up the... Trouble codes: P0300, P0301, P0305, P0352, P0353, P0354
1995 Pontiac Grand Am SE 2.3L Poor Idle Quality, runs rough VIN: 1G2NE55D3S
Car came in running extremely rough when cold. When car warms up the car runs somewhat rough. Checked for codes but not found. Checked fuel pressure, pressure ok. Checked compression: 170 lb all four holes. Replaced spark plugs, boots and ignition housing on g...
1986 Toyota MR2 GT 1.6L cooling fans VIN: 1J2AW15C5G
cooling fan system, relays ,fuses all function properly.from what i can determine from the limited info our data base has the fans are controled by the ac amplifier. replaced the amplifier but fans still run on high with key on.what am i missing?

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1999 Buick LeSabre Custom 3.8L starter VIN: 1G4HP52K6X
Hey Guys, I wasn't able to fix this one. Customer was in a rush and elected to take vehicle to dealer. A couple of replies suggested checking the lock cylinder and key and another reply suggested using a tech 2 for checking inputs. Thanks for your time.
1996 Chevrolet Camaro 3.8L Poor Idle Quality, MIL Lamp on VIN: 2G1FP22K4T
I appreciate all of the responses. In summary, most said to look for wiring or ground problems. After so doing, I gave up and headed for the dealership, convinced that I needed a computer. But...the code did not reset on the way there. Apparently hooking and u... Trouble codes: 122 (TPS Shorted or low voltage).
1991 Ford Ranger Custom 2.3L Fuel Gauge, Temp Gauge and Tachometer VIN: 1FTCR10A5M
I would like to thank Glen from New Jersey for the wiring info he faxed me. I'm sorry I haven't posted the fix for this veh sooner. I replaced the small PC board on the left lower corner of the instrument cluster. I had first exchanged it with a use one which ...
1995 Ford Aerostar XLT 4.0L Poor Idle Quality, very fast idle VIN: 1FMDA31X7S
Hello all; Short answer: corroded TPS connector terminal ends. Medium answer: junk these old Fords. .Long answer: Rechecking power & grounds w/ BOB hooked up, every ground & power for the ECM measured fine. Still no codes. However I started voltage testing at ...
1997 Honda Passport EX 3.2L no pedal VIN: 4S6CM58V8V
got 5 of eight replies pointing us in the correct direction. most of you said to check the rear brakes... we did...pads were at 50% and rotors were 15mm thicker than minimum requirements...we did find however glazing on both inboard pads on the rear and decide...
2001 Mercedes-Benz SLK230 Kompressor 2.3L Unknown VIN: WDBKK49F81
Well, I am quite embarassed to report the following: After posting this help request; consulting with several MB experts; and acquiring the equipment to talk to this car, we still had NO answer. So we went back to the customer and further interrogated. The...
2004 Mercedes-Benz SL600 5.5L convertible top and other accessories VIN: WDBSK76F14
We have not yet FIXED this vehicle as it has not returned but we have received some valuable information! We received excellent and insightful responses from the following: Dana - CA, Frank - NV, Rajesh - United Arab Emerites, Richard - TN, Richard - OR, and...
1988 Toyota Camry DLX 2.0L No Start, Poor Idle Quality, Stall VIN: JT2SV21E3J
Thanks to Mike [...].Turn out the distributor was faulty(ig. coil)Some good replies:cracked air intake tube,carboned up,EFI relay,cold start injector.
1994 Toyota Pickup DLX 2.4L mil off VIN: JT4RN93P8R
Well, replaced the VSS and drove the Pickup for about 40 miles and rechecked for codes and guess what code 42 reappears. Maybe I got a bad sensor? I guess I will close this one. Thanks for all the input, basically everyone said the VSS is a common failure but ... Trouble codes: 42 (Vehicle Speed Sensor).
2000 Volkswagen Passat GLS 1.8L Poor Idle Quality, Cuts out, Misfire, MIL Lamp on VIN: WVWMA23B6Y
Hi and thanks for the responses. I got 7 replies and all were worth checking. David said I didn't give enough information and asked for compression and fuel pressure. Cranking compression was #1#2and#4 cylinders were 155 lbs. and #3 was 145lbs. Fuel pressure w... Trouble codes: 301 (misfire 1 cyl), 302 (misfire 2 cyl), 303 (misfire 3 cyl), 304 (Misfire 4 cyl).
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