Question about 1998 Isuzu Trooper
Sends a signal related to the rail pressure as a voltage to the ECM. 3 wire connector :
Also check Engine coolant temp sensor and wiring. Engine coolant to manifold temp should not differ by more than 5 deg C either way after 8 hours of no operation. I have found the same symptom on these diesels with fuel supply problems. Operate the priming pump (on top of the fuel filter) until it becomes diffycult to push down before starting or checking anything else.
Posted on Oct 16, 2010
Testimonial: "Thanks Suzman, We actually managed to get it going....The only problem remaining is a rough idle until its warmed up and sometimes stalls until warm. "
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Posted on Jan 02, 2017
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