2001 SAAB 9-5 Air Flow Sensor & Check Engine Light

BARBARA_REED

MEMBER
2001 SAAB 9-5
6 CYL
FWD
MANUAL
120,000 MILES

I have replaced the Air Flow Sensor twice and within driving 15-20 miles, the check engine light comes back on and the code continues to come up as:

Air Flow Sensor

When the vehicle is first cranked its idle is high and within a second, it drops to a slow idle and often dies and needs to be recranked.

Any suggestions on what else should be tried? Could their be a wire loose on the air flow sensor connection? The air filter was also replaced at the same time.

Yikes, it cost me almost $400 in labor for the mechanics to determine nothing. They first believed that the first air flow sensor I purchased was defective, then when it did it again on the second one purchased, they gave up. HELP! I have spent far too much money in parts and labor to not have the issue resolved.

2 Replies

MNTHNY4

MECHANIC
612 POSTS

U need to post the code u have, but anyways, did u check for air leak in the system before the throttle body, meaning iair intake hoses, turbo intercooler check for cracked, check turbo bypass valve for malfunction, use a vacuum pump type gauge to check valve if it holds pressure, but post the codes u have next time.