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Hello to all
This is my first post to this forum, I have Chrysler 300 2013 (3.6L Pentastar Engine) 117.000 miles. Starts fine, idle fine, no check engine light, scan tool shows no codes however I have noticed the following :
1. when stopping at a red light RPM drops from 670 to +/- 500 with A. a little tap on the gas pedal or B. turning the steering wheel and C. turn AC on, RPM goes up from 500 to 670 and stays there.
2. While doing 55-60 mph, RPM drops to 900-1000 engine feels weak/no power as if it is hunting for a lower gear ( it is 8-speed auto transmission )
3. Scan tool shows 10 LTFT on both banks.
I wish to start troubleshooting since am stationed overseas where I took it to a local dealer for an unrelated problem ( local dealer replaced 24 rockers arms to repair engine ticking problem) the RPM started to drop to 500 right after the dealer's repair.
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