Mechanics

I'M HAVING FAULT CODE P1520(B) CONTINUOUSLY

2003 Isuzu Other • 150,000 miles

On my 2003 isuzu kb 300. First time got fault codes p1335, p1612, p1613 and p1520. ECU reset p1520 left.

It has a 3.0 4jh1 engine with manual transmission. Loss of power noted and check engine light remains on constantly. All sensor are tested good.
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Jhumunn1
November 21, 2011.




Have you checked the ECM? If you have replaced sensors, checked wiring. The ECM itself may be bad.



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