running rich uphill and randomly leans out - Boost Forum

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running rich uphill and randomly leans out
Friday, August 09, 2013 10:51 PM
Hey guys ive been having a problem lately with my stage 2 supercharged cavy running rich when going uphill and bogs out and then it will randomly lean out for a few sec when driving around. any ideas?




Re: running rich uphill and randomly leans out
Saturday, August 10, 2013 5:13 AM
Fuel pump?


"A car just isn't a car without a little blood, sweat, and beers." -- Shadowfire
Re: running rich uphill and randomly leans out
Sunday, August 11, 2013 1:03 PM
thats my next guess because i just changed the fuel filter and it fixed the leaning out problem so the pump is next



Re: running rich uphill and randomly leans out
Friday, August 16, 2013 9:14 PM
Sounds more like the tune than a fuel pump - going up a hill you would be needing fuel so if it's rich at that point and you're not loosing fuel pressure than I doubt you have a pump problem. Good Luck Troubleshooting
Re: running rich uphill and randomly leans out
Saturday, August 17, 2013 10:59 PM
It's the tune. You're hitting power enrichment out of boost most likely causing the car to dump fuel when there is no need. The lean condition is likely you getting in to boost without hitting power enrichment.

Mine does this occasionally as well.



Re: running rich uphill and randomly leans out
Sunday, August 18, 2013 7:32 PM
yea thats what i figured so now to buy hp tuners and fix this problem and thanks for the info




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