Mechanics

I'M HAVING FAULT CODE P1520(B) CONTINIOUSLY ON MY KB 300. FIRST TIME GOT FAULT CODES P1335, P1612, P1613 AND P1520. ECU RESET P1520 LEFT.

2003 Isuzu Other • 150,000 miles

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.