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Video: My car bogs when I give it more than 20% throttle. Any suggestions? 200 1991

uid 18083's pic
posted by  lucid on  Mon May 14 12:22 CST 2012
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last visit: Fri Oct 24 12:31 CST 2014
[RELATED]

Watching the video my thought was low/poor fuel pressure. Because when you sort of "punch" the throttle like that, the FPR senses more atmospheric pressure (less intake vacuum) and should raise the fuel pressure to accommodate the larger air volume that comes with wider throttle opening.

Yours sounds like it's getting the extra air, but not matching it with needed fuel. I'd start by measuring fuel pressure at idle (36± psi), and a simulated Wide Open Throttle (45±psi) by removing and plugging the FPR vacuum hose while idling.

--
Bruce Young, '93 940-NA (current), 240s (one V8), 140s, 122s, since '63.






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