
Signature
Posted at author's request, using moderated http://www.AutoForumz.com interface
Thread archive: http://www.AutoForumz.com/2002-Malibu-surging-2nd-gear-high-RPMs-ftopict228655.html
Sounds like high rpm cut out to prevent overreving the engine.
> 2002 Malibu 3.1 V6 auto - not every time but happening more often
> since the weather got up to around 80 - under heavy throttle, in
> second gear only, the engine will start surging badly when the engine
> gets over 4500 RPMs. Plugs and fuel filter have been changed.
Nentenity - 06 May 2008 02:33 GMT
Possible but what could be causing it to take affect at 4500-5000 RPMs - and
it only seems to do it since the weather got warmer. Normally the 2 - 3
shift occurs around the 5500 RPM redline.
> Sounds like high rpm cut out to prevent overreving the engine.
>
>> 2002 Malibu 3.1 V6 auto - not every time but happening more often
>> since the weather got up to around 80 - under heavy throttle, in
>> second gear only, the engine will start surging badly when the engine
>> gets over 4500 RPMs. Plugs and fuel filter have been changed.