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Old 02-12-2010, 01:39 PM
StreetRacingCharge StreetRacingCharge is offline
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3.5L choking at idle

My 3.5 since I bought it has been vibrating as the RPM needle momentarily goes below the IDLE RPM when the car is stopped. It is a 2007 and I've been using 89 gas since I've bought it.

I finally took it for servicing when the car slightly and briefly accelerated on its own when stopped (this has happened a few times since). The service guys said they found no evidence since the two fail safes had not been activated which are there to prevent the car from accelerating on its own.

Any idea on what the choking could be? It happens a few times per week, probably 1-2 times per drive.
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Old 02-12-2010, 01:59 PM
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Originally Posted by StreetRacingCharge View Post
My 3.5 since I bought it has been vibrating as the RPM needle momentarily goes below the IDLE RPM when the car is stopped. It is a 2007 and I've been using 89 gas since I've bought it.

I finally took it for servicing when the car slightly and briefly accelerated on its own when stopped (this has happened a few times since). The service guys said they found no evidence since the two fail safes had not been activated which are there to prevent the car from accelerating on its own.

Any idea on what the choking could be? It happens a few times per week, probably 1-2 times per drive.
It could be in the programming, it could be in pump pressure, it could be partially clogged injectors etc.

We have had many people with similar issues that have gone ahead and used the ACES IV to clean and maintain the fuel system. If it is fuel, pump, and injector issues, general running will be much better and produce more power, protect the fuel system from gum and varnish and lubricate the pump and injectors, quieting them down.

Just an educated guess to what it is, but many have been able to address this with proper treated fuels using ACES IV.

Regards,
Brian
BND Automotive LLC
440-821-9040
www.bndautomotive.com
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Old 02-12-2010, 02:00 PM
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Clogged injectors sounds right to me
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