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1988 2.8 Blazer Trying To Get Running

323 Views 3 Replies 2 Participants Last post by  Gearheadmike
Info 1988 Blazer 2.8 4x4 auto with 52k was a 1 owner. it sat about 16 yrs in a garage. was told it ran but ran outta gas and then wouldn't start? I put gas in it and a good battery it would crank and sound like if fires.
At first to keep it running i had to keep pulsing the gas pedal to keep it running,but it was running rough and it would pop through tbi. Now after a new fuel filter/fuel pump and strainer it still does the same?
I pulled #1 plug and checked spark seemed good. If i hold throttle all the way down it will start but stumble and not rev up and wants to pop if i let off from WOT at all?
Not running long enough to get a code just the 12 12 12 cycle.
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For starters, did you just add gas to the tank? Having sat that long, it is likely that there are contaminates in the tank. It probably needs a good flushing, cleaning. The same for the fuel lines between the tank and the engine. Another thing to check is fuel pressure - the major parts stores usually have a tester to loan out. Also, check out the stickies - there have been several recent 'dormant' trucks that are being revived, and have fuel system issues. There's more information in those as well.
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