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Prev Professional Automotive Repair Technical Discussions for October 7, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
2000 Chevrolet C3500 5.7L Hesitation VIN: 1GCGC34R0Y
This vehicle has plenty of trouble codes. It does have a terrible driveability problem. When it is started up it will idle very high and finally idling down. When it is started and takes off it will bog down and pop back through the throttle body until you rea... Trouble codes: P0101, P0122 (Tps), P0404 (Egr), P1122 (Tps)
2006 Chevrolet Cobalt SS 2.4L MIL Lamp on VIN: 1G1AM58B26
With an 18% TPS reading at idle (750) and a P0121 code I replaced the Throttle Body with TPS. The new TPS reads 8% at idle but the idle runs up between 1800 and 2700 RPM by itself. After clearing code the P0121 is gone but a new P0507 code is set for Too High ... Trouble codes: P0121 (TPS Sensor), P0507 (Idle Too High)
2003 Chrysler 300M Special 3.5L Shift linkage
I have this cryslyer that having a problem with shifting when cold. The customer states after pulling the dash for a evap core. The trams shifter sometimes does not shift smoothly into drive and when drive it takes a few seconds for it to catch. When we get it...
2002 Ford Explorer XLT 4.0L lift gate ajar switch/CSM module VIN: 1FMZU63E12
well this one has me stumped. vehicle came in with the door ajar light staying on and customer stated that the interior lights would "flicker" intermittently while driving. vehicle had code P1603 CSM EProm failure, in the csm module. my testing concluded that ...
2006 Ford Explorer Limited 4.6L Poor Fuel Economy VIN: 1FMEU75806
Hi group. This one came to me with muliple misfire codes. The owner had got it scanned at Auto Zone and bought Auto Lite spark plugs. He asked me to change them for him. I changed the plugs, the electrodes were burned down even with the ceramic. I test drove, ...
2003 Jeep Liberty Limited 3.7L heat VIN: 1J8GL58K13
hi fellow techs, I am working on my kid sisters car and she is getting no heat. I replaced the thermostat and i can read 165f at heater core inlet hose and appox 155f outlet meaning i have good flow thru the core. i can hear the blend door actuator moving whe...
2002 Oldsmobile Alero GL 3.4L engine VIN: 1G3NL52E22
We have a 2003 Olds Alero with the 3400 series engine. Customer states that approx. 1 month ago the check engine light came on and it was code P0301. Customer changed plugs, wires and replaced the coil for cylinder 1. Car seemed to run okay but problems at idl...
1999 Toyota Tacoma DLX 2.4L Poor Idle Quality, Hesitation, MIL Lamp on VIN: 4TAVL52N8X
Thise vehicle came w/code po402 excesive flow detected and rough idle sometimes idle goes up and donw, checked egr sistem ok. No misfires, data on scanner ok. Please help Trouble codes: P0402

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2005 Cadillac CTS 3.6L HAVAC floor vents VIN: 1G6DP56735
Hi every one, as I suspected from the noise and the location of the sound It was the mode servo. I work most on imports, and i needed some feed back. As must of you said it was the servo mode actuator. I noticed the noise would go away as soon I switched from ...
2003 Chrysler Sebring LX 2.4L Hesitation VIN: 1C3EL46X53
2000 Ford Ranger XL 3.0L Misfire, P0305 VIN: 1FTZR15V1Y
Thank you to all that helped out lots of very good information we replaced all the injectors no change replaced with motorcraft coil no change removed intake egr ports were good replaced intake gasket and valve cover gaskets and inspected the valve springs... Trouble codes: P0305 (cyl 5 misfire).
2003 Ford F-550 Super Duty Lariat 6.0L Misfire VIN: 1FDAF56P73
A new injector fixed this one up. Didnt find anything visually wrong with it and it still passes resistance tests. most of the replies pointed to the injector as being faulty. thanks for the help and suggestions. Trouble codes: P0277, P0278.
1996 Honda Civic LX 1.6L compressor VIN: 1HGEJ6500T
Unfortunately, I was unable to get this car back to continue diagnosing. It's off to college for the car, but hopefully the replies and update will provide someone some assistance if they get one of these in.
1997 Mitsubishi Galant ES 2.4L Monitors VIN: 4A3AJ56G0V
First, thank you for all the replies. I had done the research and I was aware of the TSB about getting the monitors to run... I was just kinda hoping 2 things: 1: that someone knew a trick that I didnt. 2: that someone would post that the TSB was actually an ...
2001 Volvo V70 X/C 2.4L performance VIN: YV1SZ58D01
Thanks for all the help. I removed both hoses off of the cooler and put shop air into it. I didn't seem to bet much flow out of it, so I gave it a good blast while holding my hand over the exit side to build up pressure then released it. Seem to hve mre air fl...
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