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Re: Slow Progress is better than No Progress.
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Originally Posted by FLYNAVY30
Looking good Woody. I'm also on the slow train, but hopefully it will pick up soon. I've burned through 4 O2 sensors on the Holley Fuel injection in the last 6 months and I cant figure out why. Nothing has changed with the truck. Its left me stranded every time, and its made me disinterested in taking the truck out. Super frustrating just looking at the thing every morning sitting in the car port.
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A couple of things to consider. There is a real problem out there with cheap knock off sensors being sold in Bosch and other OE packaging. The quality manufacturers are playing Wack-A-Mole trying to shutdown the counterfeiters.
Second is O2 sensors are sensitive to voltage fluctuations. The OE'S supply them with stable voltage from a power conditioner that is usually built-in to the ECM. Most aftermarket stuff just hooks them to the battery directly exposing them to all the voltage drops and spikes associated with starting the engine.
Good luck.
__________________
Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. 
RIP Bob Parks.
1967 Burban the WMB,1991 S(stink)-10 Blazer,1969 GTO, 1970 Javelin, 1952 F2 Ford 4X4, 29 Model A, 72 Firebird. 85 Alfa Romeo
If it breaks I didn't want it in the first place
The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377
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