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International Automotive Technicians Network
Prev Professional Automotive Repair Technical Discussions for March 4, 2012
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Open Help Requests for All Makes and Models
Help Request Answers
1990 Chevrolet Lumina 3.1L Stall, no power VIN: 2C1WN54T8L
Hi guys, Forgive me but I am not at the shop, on vacation in the country at a friend's house. His daughter's 90 Lumina began acting up one day losing power then just died. We got it to his house and began looking. It will start up easy and idle fine but if y...
1996 Chevrolet C3500 6.5L Mph VIN: 1GCHC33F4T
Customer had rear end change trying to increase fuel economy. They replaced a 4:10 with a 3:42 and now the speedo is off by 12 mph at 60. I am not sure how to correct this for him and would like to know if anyone has had experience with this type of issue.
2009 Chevrolet Silverado 1500 LT 5.3L water temp gauge/IPC message center VIN: 3GCEC23J39
Getting FALSE "Engine HOT" message on IPC and engine temp gauge does NOT move from cold(160F is min on temp gauge). The vehicle was being driven and everything was normal. All of a sudden temp gauge drops to minimum value(160F) and "Engine HOT/AC turned OFF" m...
2003 Dodge Durango Sport 4.7L Cuts out, Stall VIN: 1D4HS38N73
This Vehicle just started stalling intermittantly a couple of days ago. This started after fueling with low octane gas after using mid-grade or premium for over 8 years. When this vehicle cuts out, it seams as if it has shifted to low gear. Some times the tir...
1997 Ford Explorer Sport 4.0L Poor Idle Quality, Misfire, Poor Fuel Economy, MIL Lamp on VIN: 1FMCU24X7V
I've been fighting an engine miss for weeks on this vehilce with no results and unhappy customer. What am I missing. My vacumm has a slight flutter on idle, Valve giuld worn or what??? Have been reading about running compression test. Have not done this. Shoul... Trouble codes: P0301 (1 cylinder missfire), P0304

Fixes & Summaries for All Makes and Models
Fix/Summary Answers
2001 BMW 330i 3.0L Airbag VIN: WBAAV53461
Fist of all a thank you to all that offer their time and suggestions.The over all consensus is that the air bag ecu is most likely faulty and if replaced will need to be coded.we are in the process of scheduling our customer in to test the air bag circuits & r...
2004 Chevrolet Trailblazer LS 4.2L Cluster/battery dead VIN: 1GNDT13S04
Figuring this truck needed a cluster brought it to the dealer. They ended up replacing the ignition switch and the cluster now it's all happy thanks for the info!!
2005 Chevrolet Trailblazer LS 4.2L MIL Lamp on VIN: 1GNDT13SX5
Sorry for the late closing, I closed for 9 days for a vacation (First in 25 years). I hoped to have it finished before I left but ran out of time. Most all of the help offered was very useful. Most pointed to the purge valve for the P0455, and the converter f... Trouble codes: P0420 (Cat efficiency), P0455 (Evap large leat).
2005 Chrysler Town & Country Limited 3.8L MIL Lamp on VIN: 2C4GP64L05
Thanks for the help. We got another used ecm for a 3.8 this time. We were able to rewrite the vin number with the pass thru pro and everything was operational. Back flashing or changing calibrations for different engines was not possible. Changing the vin numb...
1995 Dodge Stratus 2.4L Misfire VIN: 1B3EJ46XXS
I am waiting on the customer to find another ecu to try he is a used car dealer so who knows when he will till then the car sits in limbo all testing leads to his other used ecu being faulted aswell I even went through everything with a good friend who is a ch... Trouble codes: 43 (Ignition coil drive 1).
2008 Dodge Ram 5500 SLT 6.7L Surge VIN: 3D6WC76A08
I feel the issue I had trying to diagnose this problem was the aftermarket scan tool I was using. We currently have a wiTech on its way but will not see it for another week. Andy from Texas brought up a good point for checking the FCA for fuel at the connect...
2000 Ford Mustang GT 4.6L No Start VIN: 1FAFP42X7Y
Thanks to everyone who took time to reply.This is one for the books. After checking this vehicle over thoroughly several times I'm convinced the pcm is the problem. A lot of you were convinced the pats system is the problem but I was called in to program the ...
2003 GMC Sierra 1500 SLE 4.8L Hesitation, MIL Lamp on VIN: 1GTEK14V03
every one suggested cleaning the ground wires at the rear on the cylinder head, they were corroded also cleaned grounds at front of engine , and also cleaned the throttle body road tested and returned it to customer and all is fine , sure helps to have the po... Trouble codes: P1516.
1999 Honda Odyssey EX 3.5L traction contrl VIN: 2HKRL1863X
the general concensus is that any engine codes , will cause a traction control code so i think it was an intermitent tps sensor causing the problem , the customer has limited resources so hasnt been able to afford ant further diagnosis
2006 Lincoln LS Sport 3.9L No Start, Poor Idle Quality, Stall, MIL Lamp on VIN: 1LNHM87A86
Found loose PCM 3 electrical connectors. Tightened each individual bolt for all 3 connectors. Clear codes, test drive car no more problem. Trouble codes: P2107 (Throttle Actuator Control Module Processor), P2110 (Throttle Actuator Control System - Forced Limited RPM), P00, 196 (Engine Oil Temperature Sensor Circuit Range / Performance).
1984 Volkswagen Vanagon Campmobile 1.9L No Start VIN: WV2ZB0250E
thanks for all the help and replies ,lots of helpfuel tip and how to diagnose,after posting,I removed the grounds oc driver side and cleaned them better,remove air flow sensor and cleaned the flap inside,cleaned computer contacts again,the vehicle is been runn...
2008 Volkswagen Passat Turbo 2.0L Stall VIN: WVWJK73C38
2008 Volkswagen Eos lux 2.0L No Start VIN: WVWFA71F28
This car was very demanding, as we suspected the immobilizer located in the instrument cluster went bad which is why it lost all the keys adapted to it. When we replaced the instrument cluster, the adaptation of the mileage, service intervals and coding went f...
1994 Volvo 850 2.4L Poor Idle Quality, Hesitation, Stall VIN: YV1LS5521R
Well I appreciate all your input but we have not fixed the car. The customer does not want to spend any more money diagnosing the car. We attempted the various suggestions with no luck. I think it has a computer issue (this vehicle has 3) but we are throwin...
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