Question about 1998 Isuzu Hombre
Hello, I have an Isuzu Hombre pickup, 2.2L Vortec engine, same as the Chevy S10. It just suddenly stopped running. Here's what I checked: ignition module (good), ignition coils (good), fuel pump (good), fuel filter (new/good), fuel pressure to fuel rail 39 psi (good), battery (good), spark plugs have good spark (good), I hooked up code reader and it detected one code: (PO452 emission control system pressure sensor low). This code can't be the problem with my truck because I knew it already had this problem, I got this code over four years ago and I just drove it like that. No new codes detected whatsoever. Have any idea's? Please help.
You need four things for an engine to run. 1. fuel 2. spark 3. compression 4. timing (spark at the right time. By your post it seems you have fuel and spark and you probably have compression unless you blew a head gasket. That leaves the timing. Check the timing and/or the timing belt or chain whichever you have.
Posted on Aug 07, 2009
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