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1992 Isuzu Rodeo LS 4dr Wagon 5-Spd

1992 Isuzu Rodeo
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May 23, 2013, 1:35 pm

Fran R
 

Question: Diagnostic Trouble Codes

"i have a 2001 Isuzu Redeo S. I took it in for emissions testing and got the following codes,. P0402 (lcosed valve) and P1404 (excessive flow). How can this be ? Also got Catalic converter Eff. and Oxygen Sensor not ready. Think these are all tided in but I am not sure how.
Thank You, Fran.


May 23, 2013, 7:58 pm

Tyler O
Expert Mechanic

P0402 - Exhaust Gas Recirculation Flow Excessive Detected

P1404 - Exhaust gas recirculation (EGR) solenoid - valve closed

They may or may not be related to the other codes. You'll need to check the EGR system proper operation.

The catalyst may need to be replaced.

The o2 sensors may need more time to set readiness or may need to be replaced.


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May 24, 2013, 3:34 am

Fran R
 

Ok so would you suggest taking it in and having the EGR system checked.

Would they be able to tell me if the o2 sensor needs changing or needs more time to set readiness. I just had it replaced about four years ago.


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