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Re: 89 454 tbi problems and ?'s
I have a bad temp sensor on the front of my block on my '88 chevy TBI motor. Would cause it to stay running rich n kinda high idle thinking that it needed more fuel then it actually did. Might be worth a shot its easy and cheap. Its the sensor in the very front of the intake that threads into it. Have you ever messed with the timing on it before?
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*HOODS is what I answer too*  -'79, '77, '88 Pickup Sold, '85 Camaro, '83 T/A, '81,'83,'90 K5 Blazer All Sold
-'79 3/4 ton "Big Yellow Bananna" Lifted 4spd. 39.5 TSL Swampers, The money Pit  
-'86 K5 Blazer Silverado 6.2 4" lift 35"s
-'95 Ext. Cab Shorty 4" Tuff Country rolling 35" M/T's
-'83 Monte Carlo T-Tops. 126,500 Original Miles
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