Random Acceleration

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Jan 8, 2014 | 09:42 PM

Miguelcorona

Thread Starter

Joined: Apr 2012

Posts: 7

Random Acceleration

Hello I own a 2003 SS and it is a great car just however it has started to randomly accelerate for example while I'm at a red light even though I am hold down the break and not giving it gas it while rev haven't been able to find the cause of this any help would be appreciated thanks

Jan 9, 2014 | 06:23 AM

The_Maniac

Monte Of The Month -- December 2011
Monte Of The Month -- September 2014

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Joined: Apr 2010

Posts: 12,590

From: Mentor, Ohio

Check for engine codes in the computer's history. Next, check for vacuum leaks.

Jan 9, 2014 | 06:35 AM

JuniorCar

Monte Of The Month -- January 2013

Joined: Aug 2008

Posts: 5,612

From: London, Ontario

Sounds kinda like a TPS (throttle position sensor) or a MAF (Mass air flow) sensor to me. But it probably should throw a code...

Jan 9, 2014 | 09:08 AM

JC Colon

Monte Of The Month -- May 2014

Joined: Nov 2012

Posts: 2,405

From: Kent, Wa.

I had this problem x2. First with an Aftermarket MAS then with a bad Delco MAS. In the first case there were no CEL codes. With the bad Delco MAS, it threw a code for a bad O2 sensor (Bank 1, sensor 1) lean code. Since I got the new MAS installed the random acceleration and the O2 sensor code has cleared.