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Prev Professional Automotive Repair Technical Discussions for September 15, 2014
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Open Help Requests for Chrysler
Help Request Answers
2009 Chrysler Aspen Limited 5.7L Misfire VIN: 1A8HW58T49
New plugs, good compression, swapped coils, replaced injector, fuel trim - B1+1%, B2+3%. Have checked intake with smoke and propane and done decarb with BG, latest software installed. Still misses intermittently at idle, otherwise runs great. Any thoughts? Trouble codes: P0307
2012 Chrysler 200 Touring 2.4L MIL Lamp on, Limp Home Mode VIN: 1C3CCBBB3C
I have a customer with the above listed 2012 Chrysler 200. No problems till this AM. Started car and left for work. Engine light, ETC Light, and Traction Light came on. Shortly thereafter it apparently went into Limp Home Mode. So he did and took his other car... Trouble codes: P2173 (High Airflow / Vacuum Leak Detected - Slow Accumulation), P2110 (Electronic Throttle Control - Forced Limited RPM)
1997 Dodge Ram 1500 ST 5.9L Poor Idle Quality VIN: 3B7HC13Z7V
Vehicle stalls at idle and has excessive spark knock. Power on acceleration ok. ECM is commanding 8 degrees of spark advance at idle, but measured spark advance with timing light is 51 degrees. No codes and all PID values ok. Engine vacuum steady at 20 inches ...
1997 Jeep Wrangler Sport 4.0L engine VIN: 1J4FY19S7V
we received this jeep second hand due to previous tech could not diagnose, now I know why. this thing will run up to 244 deg on a 77 deg day with ac on when at 65 mph or higher, idles all day long at 201 deg with ac on and 196 deg with ac off, no debri in cond...
2002 Jeep Grand Cherokee Laredo 4.0L electrical system VIN: 1J4GX48S22
When I first looked at the vehicle I went to try and start it, it clicked one time and lost all power. I thought bad ground, cleaned battery terminals and tried again. No good still no power to anything. Checked power to starter, alternator and power distribut...

Fixes & Summaries for Chrysler
Fix/Summary Answers
1993 Dodge W250 5.9L Poor Idle Quality VIN: 1B7KM26C6P
Had already sent original pump in for core, ended had a friend with a used engine and he let me use his pump to test, after putting known good pump on problem is corrected, gonna get a pump now from another supplier, thanks for all the help, watch out for rema...
1987 Jeep Comanche Pioneer 4.0L Cuts out, Misfire VIN: 1JTML63P8H
Thanks to the help I received. The fix was a new crank sensor. The old sensor made a clean signal from 1.75 to 4 volts at idle and 3 to 4.8 volts at 1000 RPM. The new one does 1.5 to 4.5 volts at idle and 2.5 to 4.75 volts at 1000 RPM. Before I put in the n...
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