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SVTPerformance's Chain of Restaurants
Tuning À la carte
Tuning out hot start issues
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<blockquote data-quote="SnakeBoostE85" data-source="post: 14899702" data-attributes="member: 160175"><p>During the winter I didn't have any issues, but now that's its pretty hot out, my hot start issues have returned. When I'm cruising around for a while in hot weather and totally heat soaked, I tend to have a hard time with start ups. Its starts eventually after a couple cranks, but I will eventually get a P0190 FRPS code for fuel rail pressure. </p><p> </p><p>I think what's happening, when its so hot, is that the ethanol is vaporizing. My crank lambda's are VERY rich to help with cold start ups in general, so I don't see how much richer I can make them in this case. </p><p></p><p>I'm running e85, on a return fuel system with a fore regulator and rails. </p><p></p><p>Don LaSota's book has a section on hot start problems - I haven't bought the book, was thinking about picking it up, but if anyone has any obvious tips that would be cool. Thanks!</p></blockquote><p></p>
[QUOTE="SnakeBoostE85, post: 14899702, member: 160175"] During the winter I didn't have any issues, but now that's its pretty hot out, my hot start issues have returned. When I'm cruising around for a while in hot weather and totally heat soaked, I tend to have a hard time with start ups. Its starts eventually after a couple cranks, but I will eventually get a P0190 FRPS code for fuel rail pressure. I think what's happening, when its so hot, is that the ethanol is vaporizing. My crank lambda's are VERY rich to help with cold start ups in general, so I don't see how much richer I can make them in this case. I'm running e85, on a return fuel system with a fore regulator and rails. Don LaSota's book has a section on hot start problems - I haven't bought the book, was thinking about picking it up, but if anyone has any obvious tips that would be cool. Thanks! [/QUOTE]
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SVTPerformance's Chain of Restaurants
Tuning À la carte
Tuning out hot start issues
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