Question about Dodge Neon

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2004 dodge neon, when ya start it, it revs up and imedietly red lines, it wont calm down unless i throw it in neutral, thats parked, now if i push down on the brake real hard and put it in gear it goes down but not like it should, it will go down the street slowly, poppin and backfiring, but if i hold the break put it in drive, it wants to just go go go,.

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Hi and welcome to FixYa!

Few things that can cause this issue. You may have a faulty TPS (throttle position sensor) or a bad MAF (mass air flow) sensor. If the TPS is bad you can experience irregularities on acceleration. If that's the case the TPS should be replaced.

If the MAF is faulty, there will surely be irregularities on vacuum supply which result to erratic idle, one good reason why the rpm hits red line during start up. I strongly suggest that you have the two checked and replaced if necessary.

Hope this helps and thank you for using FixYa! Have a good one!

Posted on Mar 11, 2011

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