PCM Diagnostics & Tuning - lean when hot?




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Reno's2fastestfbodys
10-24-2011, 02:12 AM
ok so im getting lean(b1 & b2) when its hot outside and not when its below 80*, any ideas? It also seams when hot its not building good vacuum (softer brake peddle) and normal below 80*.....


edcmat-l1
10-24-2011, 07:31 AM
Man, talk about vague. How bout details on the car, maybe a tune and a data log to look at?

Reno's2fastestfbodys
10-24-2011, 10:42 AM
ok... bolt on only and stock tune, I return it to stock to drive it on the streets(less emissions too keep the ses light(s) off.
mods list---- lid, bbk 80mm, ls6 intake, bbk lt's, ory, slplm1 cat back, slp udp, (lt1 radiator haha) and gears.


Reno's2fastestfbodys
10-25-2011, 11:42 AM
someone has got to have an idea...

Reno's2fastestfbodys
10-27-2011, 01:27 AM
ideas? maff? iac? anything?

MontecarloDrag
10-27-2011, 06:05 AM
ideas? maff? iac? anything?

Without a log we can only speculate...