can you lose a tune???????
07-16-2005, 04:07 PM
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can you lose a tune??????? ok, i had my car dyno tuned after header,ory & gmmg about a month ago,the car ran great & real strong for about a week & then it thrue the ses light.then the ses went off & now it is back on!!!!the car runs good but not like it did !!! it feels like it lost the dyno tune,is this possible at all to lose your tune?????what should i do????thanx abunch for any thoughts on this!!!!!!!!!!! john
07-16-2005, 05:00 PM
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Headers are prone to cause mis-trimming due to
the O2s going to sleep. Then this gets all over
your fueling. Why don't you go get the codes
pulled, and if they are O2 codes then swap in
the higher-wattage 'vette rears as a start?
the O2s going to sleep. Then this gets all over
your fueling. Why don't you go get the codes
pulled, and if they are O2 codes then swap in
the higher-wattage 'vette rears as a start?
