What else could be causing bad gas milage?
#16
Well I replaced the thermostat and the coolant temporature sensor and I think that did the trick. The runs at about 185 under normal driving now compared to about 130 and the gas is being sipped now instead of funneled. That sensor cost me $25 at NAPA, but I think I got ripped. Anyway, thanks for all the help guys, especially IROC5.7TPI.
#17
Don't overlook leaky injector or seals, TBI injector seals do leak after some hard miles and dribbles gas into the intake when running. Use a timing light to look at the injector pulse preferably after dark or in low light.
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ad356
LT1 Based Engine Tech
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04-11-2015 10:30 PM