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Chrysler Repair/'06 3.5L Misfiring under acceleration

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Expert: - 7/20/2011


Question
My 2006 Dodge Charger recently started mifiring under acceleration.. I got a code that was 0300 and 0306.Since I have 95000 miles on it I had the plugs changed and it made no difference. It is getting worse all the time, although it idles fine and runs well after highway speed is reached.. Any ideas where to start?

Answer
Hi John,
If you said that it idled poorly and is misfiring under acceleration I would sluggest that you check the egr valve. But you say it is under acceleration that it misses but that it idles ok.
The fault code troubleshooting section is about 10 pages in length and goes through a large number of possibilities. I could copy these off a CD that I have and attach them to an email. If you would like me to do that send me a 'private option' follow-up question where you tell me the email address as I don't routinely see that information.
Roland

Chrysler Repair

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Roland Finston

Expertise

I specialize in Chrysler/Dodge/Plymouth cars, minivans, and SUV's for the model years 1982-2008 based upon my 50-year DIY experience, factory shop manuals and wiring diagrams. I offer fast repair advice to help you minimize repair costs by helping you diagnose and do it yourself. Problems with electronically controlled engines and transmissions as well as body wiring problems are my specialty.

I take questions one at a time between 8am and 10pm CT and attempt to answer within 20 minutes. "Maxed Out" means I am answering another question of otherwise busy, so try again later.

There are answers on file to more than sixteen thousand Chrysler questions at your finger tips: put a few key words in the "find" box (above) or click on "view past answers" for a chronological list of my q and a's. Don't use "Add to this answer" if you still have a question...ask it. As to trucks and jeeps I only have manuals for the '04-'06 model years.

Experience

Five decades as a 'do-it-yourselfer' on domestic and imported cars

Organizations
Yahoo Autos Group called The Chrysler Lebaron Club (co-moderator)

Education/Credentials
Degrees in Physics/bruised knuckles.

Awards and Honors
"Top expert of 2010" and "2011" at Allexperts. Among top 50 experts for years 2006-2009 at Allexperts.

Quickest "average response time" at Allexperts (currently no. 1).

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