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Prev Professional Automotive Repair Technical Discussions for August 10, 2008
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(Also Available: All, Asian, Chrysler, European, Ford, GM.)
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Open Help Requests for All Makes and Models
Help Request Answers
1990 Chevrolet Corvette 5.7L Surge VIN: 1G1YY2385L
Thanks for all who may reply,we have a 90 corvette that surges.We did complete tuneup on this checked timeing its ok,egr ok fuel pressure ok. this happens at idle and driveing. We unplugged an o2 and it quit,so we checked converter found it was bad so we repla...
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1991 Honda Accord EX 2.2L Excessive Emissions, Poor Fuel Economy, MIL Lamp on
Hello, and thanks in advance for all your guys help. I have this Accord that will set a MIL after about 2 minutes of cruise driving. It happens everytime. Going through the Honda Diagnostic tree, I was first pointed to the ECM as the fault. I replaced the ECM ... Trouble codes: 1 (O2 Sensor Malfunction), 43 (Fuel Supply System Malfunction)
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2000 Honda Civic EX 1.6L compressor VIN: DX23256G67
I specialize more in european makes and am doing this as a favor for a friend. Hoping someone has had this and can chime in. 00' civic lx. With a/c on, and about 30-50% throttle engine will strain for 1-2 seconds and then be fine. Will do this constantly und...
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2000 Nissan Pathfinder LE 3.3L MIL Lamp on, Intermittent misfire VIN: JN8AR07YXY
Since above repairs on several occassions CEL would come on and sometimes flash with rough run intermittently. Typically when came in was running well. Read and clear codes. Very difficult to get this vehicle away from customer long enough to diagnose anythi... Trouble codes: P0446 (Evap emissions system vent control circuit), P0505 (iac), P1105 (Fuel and air metering / MAP/BARO switch solenoid), P1400 (EGRC Solenoid valve), P1490 (Vacuum cut valve / Bypass valve), P0300 (Random misfire)
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2001 Oldsmobile Alero GL 2.4L Cuts out VIN: 1G3NL52T61
Hello every one. this Alero will not start if the right side check engine light in the cluster is not on after that 3-4 second when the other lights have seems to go through a cycle We have scaned the pcm and found a code for crank shaft position sensor. we ch...
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Fixes & Summaries for All Makes and Models
Fix/Summary Answers
1990 Chevrolet K3500 Cheyenne 5.7L No Start VIN: 1GDHR33K4L
ok everone thanks for help but this is one for the books. we had a bad failure in this one. it fried everything. dist module,pick up, ecm,mechanical and electrical switching valves. the root cause was excessive restinance in the bulkhead under hood from p/s fl...
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1978 Dodge Ramcharger AD100 5.9L Engine
Thanks to everybody who responded, all the replies pointed towards the same issue. The engine, a 360, was installed with the correct balancer but had the incorrect flex plate and torque converter. After intalling the correct torque converter and flex plate the...
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1996 Ford Escort LX 1.9L cooling VIN: 3FASP13J7T
Well as to the exact fix I am still not sure. I replaced the water pump (which visually appeared fine) blew the dust out of the radiator and flushed everything. Stopped overheating and runs great. Thanks to everyone for there help!
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2001 Ford Expedition XLT 4.6L MIL Lamp on VIN: IFMRU1764X
The vehicle that I was working on is a 1999 instead of a 2001. any way I checked for power at the [...] connector and there was . checked for ground and there was not. Disconnected computer and checked for contunity at ground wire to computer and it was no... Trouble codes: P0135.
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2008 Honda euro 2.4L radio VIN: JHMCU26809
Thank you for the help, The end problem was the amplifier in the back of the vehicle was not getting a power supply from the head unit. It was in a plug going to the amp. The terminal was b17. The wire was open circuit from the head unit. The wire that was op...
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2005 Hyundai Elantra GLS 2.0L No Start, Stall VIN: KMHDN56D95
I FINALLY GOT IT AFTER 2 DAYS OF HELL. I DECIDED TO START, YET AGAIN, FROM THE GROUND UP. I PROBED THE COILS TO SEE IF BATTERY VOLTAGE WAS PRESENT AND IT WAS. I HAD ANOTHER TECH CRANK TO CHECK FOR THE PCM GROUNDING THE COILS AND THE CAR STARTED. SINCE I HAD TO...
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1997 Lincoln Continental Spinmaker Edition 4.6L MIL Lamp on VIN: 1LNLM97V4V
After looking at all possible areas for a vacuum leak, I found another! The major vacuum leak causing the leak bank codes was a crack in the vacuum hose that went to the PCV valve. As soon as I fixed this leak the short term fuel trims went to zero. Thanks for... Trouble codes: P0171 (Bank 1 Lean), P0174 (Bank 2 Lean).
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2005 Other European C3 1.6L Electronic VIN: CITROEN200
Hi, all members: I got the answer by mesauring another vehicle.The fixed frequency (HZ) for the PWM signal sent from ECM is 100Hz.The PWM signal is 0-12V square wave. Thank you very much.
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2004 Subaru Forester XT 2.5L MIL Lamp on VIN: JF1SG69644
hey guys, first thanks to all who replied.all the great ideas.as it turns out the fix was pretty much a consensus-the maf sensor.i forgot to mention in my original post that we had checked the maf hotwire and it was dirty.tried b.g's new maf sensor spray clea... Trouble codes: P0171 (system lean).
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2005 Subaru Forester X 2.5L drive train VIN: JF1SG6368S
Subaru all wheel drive trans seems to have the same problem as honda did in there rear diff in the earlier models, fluid break down...with all drive train components in good condition the "shudder" with tight turning at slow acceleration was remedied with 2 du...
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