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Prev Professional Automotive Repair Technical Discussions for June 16, 2013
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Open Help Requests for All Makes and Models
Help Request Answers
2001 BMW 525i 2.5L Cuts out VIN: WBADT43441
please help car tow in customer state that when he driving from 45 to 45 mph engine cut out and die we hook up fuel gauge i we saw as soon as the car stall there is no gas at fuel gauge . we replace fuel pump 1 st time driving for 20 mile no problem , next day...
2007 Chevrolet Avalanche LTZ 5.3L No Blower at any speed using A/C or Heat VIN: 3GNEC12007
Checked inputs to blower control module-Good except pulsed ground is present even when key is removed. Figured this would cause parasitic draw and drain BATT, but owner says NO. Jumped 12Vdc and ground to blower connector-Blower works fine. Replaced blower con...
2009 Chevrolet Cobalt LT 2.2L Poor Idle Quality, Misfire VIN: 1G1AT58H79
I have a 09 Chevy Cobalt with a misfire at idle. Engine smooths out when you accelerate. O2 sensor will stay lean. Only cyl # 2 is missing. I checked for vacuum leaks but couldnt find any. I'm thinking maybe the plastic intake is cracked somewhere I cant get a... Trouble codes: P0300
2002 Dodge Ram 1500 ST 4.7L MIL Lamp on VIN: 3D7HU18N02
Truck came in for a hard to start when cold, could not duplicate the problem but i did find it had bad heads. when i pulled the heads sure enough they were cracked. so i replaced them with remanufactured ones also i was on some what of a small budget for this ... Trouble codes: P1391
2006 Pontiac GTO 6.0L Key-less fobs VIN: 6G2VX12U46
So I went off to the dealership technician with TECH-2 could not figure how to erase the previous remote(s) to gain full function of the two new remotes. Once programed the remotes (they say) cannot be reprogramed to a different car. Any way you know how frust...

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1994 Chevrolet K3500 5.7L Cuts out VIN: 1GBJK34K3R
Thanks to all those who replied. Many recomended that my erractic speed sensor reading may be the cause of the engine cutting out so I attempted to diagnose that first. The truck had two speed sensors one on the transmsission and one one the transfer case. The...
2007 Dodge Ram 2500 TRX4 5.9L MIL Lamp on VIN: 1D7KS28C17
Bosch reported # 5 injector is questionable so we replaced it and shipped it. Ran fine but always did. Time will tell but confident itís fixed. Trouble codes: P2149.
1997 Ford F-150 XL 4.2L Tran range sensor
Would like to thank all the techs for there input, the grey red wire was broken in harness, repaired the wire. Still getting high range tran selector code. Customer did not want to replace the TRS sensor which I feel is the problem
2007 Ford Five Hundred Limited 3.0L alarm VIN: 1FAHP25167
after exhausting any possible 'tricks' like lubing locks and looking for an event history, have found would need a factory capable scan tool, that I do not have. recommended to bring to dealer-
1995 GMC K3500 Sierra SL 6.5L MIL Lamp on VIN: 1GTHK39F4S
The code 36 on this one is fixed! Like some of you replied the ecm on these are rarely in trouble. Some said to replace the injection pump if code 36 is still there after the idm replacement but when I backprobed the signal from optical sensor from pump with s... Trouble codes: 36 (injection pulse width error response time long).
2008 Honda Civic EX 1.8L Low Tire Light Flashing VIN: 1HGFA16908
Thanks to all who helped. To anyone who didn't fall asleep reading this you know I got the Low Tire Light to go out only by using the Snap-on TPMS3 Tool in conjunction with our Modis Scan Tool which has an option to relearn a new sensor ALONG WITH AN INITIALIZ...
1996 Jeep Grand Cherokee Laredo 4.0L No Start, Cuts out VIN: 1J4GZ58S0T
Well you all were right, I drove this thing till I was able to park it at the shop in my bay and turn the ignition off and it would not start again .. I watched the live data again and sure enough no signal from the crankshaft position sensor. I took out the n... Trouble codes: P1391 (Unable to learn/misfire numerator at limit), P1398 (Intermittent lose of cmp ckp), P0171 (System to lean), P0340 (Camshaft position seor circuit malfunction).
1989 Mercedes-Benz 420SEL 4.2L Surge VIN: WDBCA35E3K
Thank you to those that responded, and, sorry I am late with this, the values described at the ETC with key on or engine running, being about half the value stated in the vantage are likely correct, I had another later 560 come in and jumped to see what it did...
1990 Mitsubishi Mighty Max 2.4L Poor Idle Quality VIN: JA7FL24W1L
Well thanks to Carl from Nevada, Yup the Dizzy was one tooth off. Restabed dizzy and boom, problem fixd! No over heating. I over looked this because I thought this guy knew more than he does. I asked him if he placed dizzy in at TDC and he laughed and said no ... Trouble codes: 24 (Tps).
1990 Mitsubishi Mighty Max 2.4L cel
I pulled the code thanks to y'all and it was code 24. TPS all though it checked out fine. PCM must have a small glitch and now the car is a runner. TY everyone. really it helps alot to have guys more experienced than I.
2003 Nissan Murano SE 3.5L fuel pump VIN: JN8AZ08W23
after a conversation with the owner, we decided to just run a new power feed from the fuse box under hood [intellegent power supply] while eliminating the factory feed but still using original relay. no problems at this time, so if in another year it pops the ...
2004 Pontiac Grand Am GT 3.4L Cranking VIN: 1G2NW52E54
Cam sensor was shorted which had caused the pigtail/wires to melt. The PCM goes into a fail-safe mode allowing the vehicle to only crank for a short momentary time (half second) which it detects a shorted sensor. Replaced the sensor/pig tail and the vehicle st...
1989 Toyota MR2 GT 1.6L Surge VIN: JT2AW15J2K
Sometimes you can't see the forest because of all of the trees. I really appreciate all of the help. Most of you were right. I knew this engine was from the same year car (i contacted the yard). Tps waveform looked good. Unplugged it and car revs great! Turns ...
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