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Re: fuel injection on 98 Tahoe with 200,000 spits &...
I would suggest Installing a New K&N Air Filter and Get 2 Cans of B12 Chemtool and run 1 at a Time througha Full tank of Fuel. The filter will Increase the Air flow by 50% and the B12 will Clean the Entire Fuel System. I use these Both in My 95' Silverado when it does this and always works!
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Generally speaking, modern gas fuel injected systems average 30-40+ psi. Older carburator engines only required 3-7 psi. High pressure in the injector helps atomize the fuel for better air-fuel mix. Check maufacturers specs and use proper tools to measure fuel pressure. Eye protection recommended.
Could be clogged fuel injectors. I had a problem similar to this. Car ran okay on flat areas but would spit and sputter going up inclines. I took mine to an oil change place and they ran a cleaner through the system. This fixed the problem and I put an injector cleaner in with every 3rd tank of gas to keep this from happening again.
you may have poor ignition wires that need to be replaced or a bad electrical connection that is affected by water either for the ignition system or the fuel injection system. just some places to look.
i would say you got bad gas. what i would do is go to your nearest store like wallmart and ger 2 things first thing is called iso heat it takes the water out of your gas and the next thing is a fuel injection cleaner any type is just as good as the next
sounds like a fuel pump problem,with fuel pumps u can have pressure but not enough volume,try goin up a steeper hill in 2nd gear and get about 3000 rpms on the engine and see if it really drops out bad and is really gutless,if that happens without a check engine light coming on it might be yur pump and u should also replace the fuel filter at the same time,hope this helps
ok try this,first your loosing fuel,so find a local parts store and see is they can check the ign module.it controls the fuel pump.as does the crank sensor.also check the ign rotor to see if its burnt through the bottom.