Quote:
Originally Posted by 94HeavyChevy
The temp guage only goes to half when vehicle is stopped at idle or traffic with the ac off. when stopped in traffic with ac on it is well below 1/2. coolant flush was done less that 10,000 miles ago. not sure the type of coolant that was used. It is green. car really does not get hot at all.
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that is normal...I would next check the exhaust for restrictions/back pressure....this would cause a loss of power under a higher load..
one way to check this is remove the O2 upstream sensors and see if the power loss is gone...