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Prev Professional Automotive Repair Technical Discussions for December 18, 2005
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Open Help Requests for All Makes and Models
Help Request Answers
1991 Alfa Romeo 164 3.0L Excessive Emissions, Poor Idle Quality, Hesitation, Stall VIN: ZAREA43L0M
i am helping my next door neighbor with his alpha 3.0l. it is running extremely lean at idle and cruise. fuel pressure is at 40-46 psi, (if i pinch off the return fuel line i can get 80+ psi) if i had propane it smooths out and engine rpm increases. there is ...
1998 Chevrolet K3500 Cheyenne 7.4L MIL Lamp on VIN: 1GCHK39JXW
happy holidays men ! this truck was taken to the dealer because it broke-up under full throttle, misfire, and set code po103. i replaced spark plugs to colder range and 34 gap. reset intake metal piping to supercharger, just after maf, so it did'nt intrude ins... Trouble codes: P0103
1999 Chevrolet C1500 Suburban 5.7L Poor Idle Quality, MIL Lamp on VIN: 3GNEC16RXX
First sign of problem started with the engine being hard to start when hot (Summer) - cold starting never a problem. Problem progressed into rough idle, heavy fuel smell, but engine runs and performs smooth above idle. Parts replaced: New Delco Plugs, New Roto... Trouble codes: P00, 172 (System too rich left bank), P00, 300 (Eng. Misfire detected)
2001 Chevrolet Silverado 1500 4.3L MIL Lamp on VIN: 1GCEC14W31
Got a 01 Chev pickup in the shop the MIL was on. Seems to start and runs fine. Pulled PO codes out, P0 341 CMP sensor out of range. P0 345 CKP/CMP cordination problem. I have ordered a distributor gear and I plan on slotting the distributor hold down clamp. Ac... Trouble codes: P00, 341 (CMP sensor out of range), P00, 345 (CKP/CMP cordination problem)
1999 Chrysler Concorde LX 2.7L overheat VIN: 2C3HD46RXX
hi thanks for reading my post. This concorde overheats. when the engine is 200 degrees the ecm shows on the scanner 120 degrees. the ecm never commands the fans to come on. we have tried a new temp sensor and ecm no luck. aldata says that at 200 degrees the EC...
1993 Ford F-150 XL 4.9L No Start, Cuts out VIN: 1FTD15Y3PL
No Start when cold. I can advance the distributor timing 15 to 20 degrees & it will start. After initial start-up, it starts every time with no advance needed. It also has intermittent miss when running. Question is, does this system have a start/ run circuit ...
1998 Ford Contour LX 2.5L Brake pull VIN: 1FAFP66L6W
This veh. has a hard brake pull to the right. Another shop did the ft & rear brakes, After inspecting brakes and test drive. We tried bleeding - all but R.F. caliper (sized bleeder). replaced R.F. caliper. Rear brakes seem to be making the pull. In a hard stop...
1986 Honda Accord LX 2.0L Hesitation, Cuts out VIN: JHMBA7438G
Hope someone out there has experienced this problem on a 1986 Honda Accord LX severe hesitation/stalling on acceleration when warm. Car will start fine cold and idles just fine but go to accelerate and car falls flat on its face. If you floor it then it seems ...
2000 Mercedes-Benz G500 5.0L Acceleration VIN: WDB4632411
Hi everybody, i have this G500 that have acceleration problem, when i start it it will accelerate well for one time and after it will take time to accelerate, i checked for codes and found one P1542 Pedal Value Sensor, i replaced the sensor with another one st... Trouble codes: 1542 (pedal value sensor)
1978 Nissan 280Z 2.8L Headlights
Hey Techs, This 78 280Z came in on Sat. afternoon with owner stating that the low beam headlights don't work. I have no manuals to support this vehicle. I checked for voltage at the headlight sockets and found 12v present at all three terminals when lighting s...
1996 Oldsmobile 88 Royale 3.8L Misfire, MIL Lamp on VIN: 1G3HN52K2T
This car came in with two codes. P0171 and P0300. When you drive the car it will run fine for a few minuets than starts to loose power and will pop occasionally at speed under load.. Like it's lean. I drove the car with my fuel pressure gauge taped tothe winds... Trouble codes: P0171 (Lean fuel trim), P0300 (Random miss fire)
1992 Pontiac Grand Am SE 3.3L Poor Idle Quality, Surge, MIL Lamp on VIN: 1G2NE14N3C
Customer recently bought this lemon. This 3.3 will intermittently surge at idle and set a 26 and 27. When this occurs the integrator will drop to 80 with blocklearn at 113 and the IAC will read 0%. According to shopkey the ccp sol,cooling fan relay,ses,tcc sol... Trouble codes: DTC, 26 (QDM failure), DTC27
1994 Pontiac Trans Sport 3.8L Surge, Cuts out, Misfire VIN: 1GMDU06L9R
hello fellow technicians, i need assistance with a transport that is being difficult. i have a 94 pontiac transport that feels like an ignition misfire affecting several cylinders that occurs under light load (1500 - 2500 rpm) while accelerating from a stop, o...
1998 Subaru Legacy L 2.2L Turbo VIN: BH5-016490
This is a Gt twin turbo and came in with poor performance.Thought it would be primary turbo blow off valve or seized turbo. Check fault codes but no codes came up. checked blow off valves but this car has a different sytem than the earlier models and i'm not s...
1991 Toyota highlux sur 2.4L No Start VIN: LN130G-006
Hi Team This vehicle arrived on the back of a truck.It cut out and will not start. It has plenty of feul to the pump but nothing at the injectors. The feul shut off soleniod is not been switch by the ecm. I can find plenty of info on the 1KZ-TE but nothing o... Trouble codes: 22 (temp sencor)
1996 Toyota Tacoma DLX 3.4L cooling system VIN: 4TAWN72NXT
Skipping and overheating... yep one of those. It started as PO306, HC's from the radiator, and a leaking heater core. I dug in and found the head gasket on #6 opened to the coolant passage and coolant leaks under the intake and at the water pump. The heads w...
1997 Toyota Camry CE 2.2L coolant loss VIN: 4T1BG22K1V
Hi this camry came in overheating owner states no heat and he has to add coolant every week. We pressure checked system and it leaks down but no sign of coolant in any cylinders or any external leak. My question is do the heads crack or does the head gaskets b...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2004 Audi A4 1.8L cradle bolts VIN: WAAUPL58E4
I want to thank all who replied.Most replies suggested Wurth to buy these time serts.A special thanks to Jeff for extolling the benifits of the heli-coil,witch I think would be the way to go on this car. As the bolts screw into a tube inside the rail & the thr...
1998 BMW 323i 2.5L Trunk Lock VIN: WBABJ7326W
Seems drilling is the way to go here, I personally feel this is damaging the car, but it is the most affordable way to go here. Customer declined repairs. Thanks to all who replied. Bart
1980 Cadillac Eldorado 5.7L Excessive Emissions, Stall, FLOODS VIN: 6L578AE651
i wish i could say i've fixed this ,but not yet-i'm still working on it as time allows.most replies on this concerned the coolant/air temp sensors-i did switch sensors as they are interchangable with no improvement.the car will start but then run rich as it wa...
1994 Chevrolet C1500 Suburban 5.7L Misfire VIN: 1GBFK16K5R
We found a leaking intake gasket under the intake, many good replies. Thanks to all and especially Todd from Wisconsin. We suspected it and decided to take a chance and just pull it off.
1997 Chevrolet Express 2500 4.3L Hesitation VIN: 1GCFG25W5V
Hello everyone, After we replaced the 1-1 o2 sensor the van acted up yet for the rest of the day. The customer needed the van back and drove it for 2 days and when it returned for further diagnosis it never acted up again (possibly needed to learn the new o2??... Trouble codes: P0135 (o2 sensor 1-1 heater circuit).
1997 Chrysler LHS 3.5L Poor Idle Quality, Misfire VIN: 1C4GJ25B21
hello all tech, thank you all for quick response, it's so many to name.It was the intake gasket leaks like majority said.I used propane with long vaccum hose as you guys suggested to find the leak(smoke machine also suggested).I used felpro, it comes with lowe... Trouble codes: P0305.
1994 Dodge Intrepid 3.3L heater operation VIN: 1B3HD46T9R
Thanks for the replies, I figured it was a heater core but just wanted to see what you all thought first before selling this major job. The customers don't have alot of money to throw at this car, replaced core and problem solved. Thank you to all who were on ...
2004 Ford F-250 Super Duty XL 6.0L MIL Lamp on VIN: IFTNW21PX4
Hi there sorry i had not closed this earlier but i had a small technical hitch...anyway i am due to get the vehicle back in a few days to do the tests reccommended and i will update this then thanks for the tips im sure i will get it cheers Alex Trouble codes: P2263 (tc/sc boost system performance), U1262 (scp data fault for j1850 bus).
1988 Merkur XR4Ti 2.3L Excessive Emissions VIN: WF1BT80W1J
Thanks for all the replies I told the customer that I wanted to replace the speed sensor as it was not working the customer indicated to me that he did not want to spend any money on this car and that he would get the car trough emissions with a bottle of rubb...
2000 Porsche Boxster Roadster 2.7L MIL Lamp on VIN: WPOCA2986Y
While my manager insisted we send this vehicle to the dealer after replacing the fuel tank pressure sensor to no avail, dave sent me some good info. Nice to know we weren't the only ones struggling on this problem. I will re-post if I can find out what the fix... Trouble codes: P0453.
2001 Subaru Outback L.L. Bean 3.0L oil leak Valve Cover area VIN: 4S3BH80631
Thanks for all the help, was the V/C gasket leaking. Never really got the info for removing the v/c from Mitchell, they can't get it for that model. I'm going to replace it next month. Doesn't look like a lot of fun. still don't know if you have to lower the e...
2001 Volkswagen Passat GLS 1.8L MIL Lamp on VIN: WVWPD63B01
Thanks a lot to all who replies ! I replace all the vacuum hoses & the solendoid valve.the voltage at the solendoid valve connector should be about 8 volt (i've measured at another passat with the same engine & year !). The secondary air pump is never running ... Trouble codes: P0411, P0442, P1479 (Unknow fault).
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