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lonfu's avatar
lonfu
Explorer
Mar 16, 2016

p30 stumble problems/ fuel pressure regulators

Ok, so having a problem with up towing stumble when under load. I have 98 454 "j" 26wu Itasca on the last year that chevy produced it's P30 chassis. This stumble has been a real bummer, I checked the ...
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DSDP_Don's avatar
DSDP_Don
Explorer
Mar 16, 2016
That engine and chassis were notorious for burning plug wires and would have issues under load. Are you sure it's not getting fuel or is it missing. The plug wires would get overheated by the exhaust manifolds due to lack of air flow around the engine.

I would check the plug wires. If they are bad, many took dryer hose and routed some air from the grill across both manifolds.

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