Mechanics

EGINE SURGING RPMS THEN ALMOST STALLING

2003 Pontiac Grand Am • 3.4L 6 cylinder FWD Automatic • 145,000 miles

PERIODICALLY WHEN I DRIVE MY GRAND AM IT WILL ACT UP. AFTER DRIVING APPROX. 15 MINUTES THE CAR WILL JUMPS IN RPMS AND THEN ALMOST STALL. SOMETIMES THE SERVICE ENGINE LIGHT WILL COME ON AND SAYS MASS AIR FLOW SENSOR.I HAVE REPLACED THIS AS WELL AS THE AIR IDLE CONTROL VALVE, THE THROTTLE POSITIONING SENSOR, THE EGR VALVE AND THERMOSTAT, I ALSO FIXED CATALYTIC CONVERTER. I AM STILL HAVING SAME ISSUE. NOTHING HAS HELPED. COULD IT BE ELECTRICAL ISSUE OR SOMETHING NOT CONNECTING? I HAVE NO CLUE WHAT TO DO NEXT
AD
Avatar
KIMMER67
January 28, 2014.




So what are the exact code number's not code descriptions do you have now?

Saturntech9
Jan 28, 2014.


AD