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#1
02-12-2016, 10:19 PM
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loses power under loads
I have a 2001 ls that runs rich and shows no codes except p0300 . It will miss under loads and get worse as temp rises. I can smell exhaust and burns eyes when running inside shop. Any ideas?
Thanks 
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#2
02-12-2016, 11:02 PM
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Re: loses power under loads
Welcome to the forum. Is your LS a V6 or V8? Have you checked the condition of the spark plugs? Have you confirmed that the MAF sensor is properly connected? Do you have the equipment to check compression and/or cylinder leakdown?
-Rod
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#3
02-16-2016, 11:45 AM
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Re: loses power under loads
Sorry for the slow response , I have been away from my computer.
It has a 3.9 I have not checked much yet , but I can see the MAF has been opened ( paint on screw heads don't line up.) I got this car from auction and know nothing about it's history. The car runs great at low rpm 2200 or less , but misses at anything over that and revs only to 4000 while driving. In park it only revs to 3000 rpm and starts cutting out live a rev limiter. Thanks for your help. Don
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