I'm not exactly sure why, but all three lights arecurrently on and i had to sideline the 4runner for the 1st time in 6 years and 150,000 miles. It's a 2001 4Runner SR5 2wd.

Can someone tell me what this might be or if it's a serious issue? or if you've had this happen, what was wrong?

Thanks,

Tx_Phantom

 

SAME THING HAPPEN TO ME 2001 LIMITED. IT'S THE MASS AIR FLOW SENSOR. ABOUT $90 FROM DEALERSHIP. DO IT YOURSELF. SENSOR LOCATED BETWEEN AIRBOX AND AIR INTAKE. 2 SCREWS 5 MINUTE JOB.

 

Sent you an email - please get in touch with me

Thanks,

Tx_Phantom