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The Terminator
Engine/Tuning
Cooling problem fixed... Now 5v to pumps, won't idle!!
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<blockquote data-quote="redfr03svtsnake" data-source="post: 12476558" data-attributes="member: 45214"><p>Ok let me try to give all the facts, I am only getting 5v to the fuel pumps at idle, doesn't matter which way I try it, with or without Bap etc.... Made a good hit and noticed it was lean (14 afr to be exact).... It was running ok while testing the new mishimoto rad, staying cool finally, keeping a decent amount of voltage too, ~13v, but it all of a sudden(after running and idling fine for 30 mins )didn't want to idle and ran lean during a test pull.... Got it home, it only gets 4.5-5v (constant, no huge spikes, tried revving to 3k n holding, same story)out of wires running directly to pumps. Car will run but I've got to give it some gas. Duty cycle is at like 32% and pressure is still stable at the rail, 38.5-40 psi.... Anyone care to help me figure this out? I've got dual fpdms, dual gt40s, had a single Bap that I figured was causing this so I removed, same result. Changed relay for dual fpdm, same result, fuses good..... What else could it be? I don't figure a bad frps could cause this as I'm getting a good rail pressure reading..... Any insight?</p></blockquote><p></p>
[QUOTE="redfr03svtsnake, post: 12476558, member: 45214"] Ok let me try to give all the facts, I am only getting 5v to the fuel pumps at idle, doesn't matter which way I try it, with or without Bap etc.... Made a good hit and noticed it was lean (14 afr to be exact).... It was running ok while testing the new mishimoto rad, staying cool finally, keeping a decent amount of voltage too, ~13v, but it all of a sudden(after running and idling fine for 30 mins )didn't want to idle and ran lean during a test pull.... Got it home, it only gets 4.5-5v (constant, no huge spikes, tried revving to 3k n holding, same story)out of wires running directly to pumps. Car will run but I've got to give it some gas. Duty cycle is at like 32% and pressure is still stable at the rail, 38.5-40 psi.... Anyone care to help me figure this out? I've got dual fpdms, dual gt40s, had a single Bap that I figured was causing this so I removed, same result. Changed relay for dual fpdm, same result, fuses good..... What else could it be? I don't figure a bad frps could cause this as I'm getting a good rail pressure reading..... Any insight? [/QUOTE]
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Engine/Tuning
Cooling problem fixed... Now 5v to pumps, won't idle!!
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