1. ran about 1/4 tank through with injector cleaner. 2. replaced fuel filter 3. tested fuel pressure - steady at 55 at idle, goes up a little with initial pedal, steady then at 55 again, drops with release of pedal, then steady at 55 again. never drops below 50 4. Oct 19, 2003 · TBI - Throttle Body Injection discussion and questions. L03/CFI tech and other performance enhancements. ... one cylinder not firing. staplerplease on 12-26-2017. 12 ... Jan 25, 2009 · Check for a high throttle position sensor voltage, high TPS voltage at start can stop the injectors when cranking. It's used as a clear flood function when the throttle is held open during cranking. A quick test is to just unplug the TPS, that will set a fault code and the clear flood mode would be inhibited. ChevyTech77 Oct 14, 2017 · I have 2 gmc k2500 manual 350 tbi's, both have the same issue. When i start one up after sitting overnight i always let it warm up for atleast a minute befor driving (usually longer). When it first fires up its at a fairly high rev, after about a minute it calms down a bit. May 27, 2010 · The tbi has filters right before the injectors like 1/4 inch tall (also in the rebuild kit) They could be plugged due to the truck sitting causing a powder. But I doubt it would be enough to not allow any flow.
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The 265 cu in (4.3 L) "Turbo-Fire" V8 was the second Chevrolet small-block; the first Chevrolet V8 was produced from 1917 to 1918. Designed by Ed Cole's group at Chevrolet to provide a more powerful engine for the 1955 Corvette than the model's original " Blue Flame" in-line six, the 162 hp (121 kW) 2-barrel debut version went from drawings to production in just 15 weeks. Two other things work with firing injectors ..pickup coil..and ignition module. ... 1986 Chevy G20 Tow Rig - 5.7 TBI conversion 1978 Mustang II King Cobra Road Racer ... Jeep xj leaf spring u bolts
Chevy 350 Tbi Sluggish Acceleration Notes: Engine is meant for the 1987-1995 Chevy Trucks with a 350 TBI engine. ECM needs a chip burned to run properly. Disclaimer: The parts listed are ATK’s recommendations of parts to be used to obtain our power figures listed. Power figures can vary based on parts used by the end user. A throttle body injection, or TBI, acts almost like a carburetor, except that instead of relying on jets and vacuum to regulate the amount of fuel entering the intake, a fuel injector, or sometimes two, is used to deliver the correct amount of fuel to the engine. The Chevy TBI is very common on a variety of engines and a number of applications.