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1999 Chevrolet Malibu Base 4dr Sedan

1999 Chevrolet Malibu
Trim Info:
Front Wheel Drive, 4 Door Sedan, Midsize
22 mpg city / 30 mpg hwy
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October 23, 2012, 5:44 pm



changed the plugs because misfire was happening the engine code is po121 still cutting out

October 27, 2012, 10:22 am

Ron W
Expert Mechanic

P0121 - Throttle Position Sensor/Switch A Circuit Range/Performance Problem

I suspect either the wiring or the Throttle position sensor is damaged. Here is a link to more specific information on this code.

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October 28, 2012, 7:13 am


the 06 is all elec when looking up tps it says refair to PPS and this takes you the crank PS IT HAS THE 2.2 I SAW A 2000 or 2004 tht had the tps so checking for water are taking the ele box a part will only put me in more debt pls respond thank you ,,,,,

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