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2.5 engine accellerates on its own

Mazda CX-7 This sporty turbocharged 4 cylinder SUV combines the spirit of a performance car with the versatility of an SUV.

2.5 engine accellerates on its own

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Old 09-07-2018, 07:48 PM
CX7
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Default 2.5 engine accellerates on its own

Hello everyone. I now own a used 2011 Mazda CX7. 55,000 miles. VERY nice condition. What could cause it to accelerate on its own when I have my foot on the brake, or say when I am backing into my garage? Scary as heck! The local Mazda dealer can't find any codes or problems with it.
 
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Old 09-08-2018, 07:19 AM
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Jammed floor mat? Loose floor mat?

Hot engine? Cold engine?

A/C on or off?

What RPM does it rev up to?
 
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Old 09-08-2018, 02:42 PM
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The engine is at normal operating temp. No floor mats in the way. Seems to happen when the AC is on.
 
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Old 09-08-2018, 02:45 PM
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Also the rpms go from maybe 700 rpms at idle in drive to about 1100 rpms.without hitting the gas and I have to hit the brakes hard and fast so I don't run into anything. It only happens once in awhile. Mainly with AC on.
 

Last edited by CX7; 09-08-2018 at 06:54 PM.
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