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2.3L ('83-'97) No Start Unless Gas Pedal Floored


Shran

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89 and up do not have the fuel reservoir that was linked to above. It serves no purpose in a single pump system.
 


Rock Auto 5% Discount Code: 7FA902352B4C01: April 5th, 2021

Reece’sPieces

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I tried testing the MAS by unplugging it while the truck was idling, it didn’t kill the engine. Does that mean the MAS is bad? Is there a better way to test it?
 
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Reece’sPieces

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Just tested the mass airflow sensor, (I’ve been calling it MAS for short). Checked all the voltages with a multi meter and it seems to be working good
 

Reece’sPieces

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I’m gonna go ahead and replace t he FPR because I smell gas in the line connecting to it. Worst case scenario I waste $30-40
 

Reece’sPieces

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I just replaced the FPR. It's a real pain to get to on my truck, had to remove the alternator and unplug some things. Good news. It started up after that about 10 times in a row without me needing to push on the gas. I'm gonna test it a few more times in the morning or tomorrow night before calling this case closed.

Thanks guys for all the help so far! :)
 

RonD

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Reece’sPieces

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I finally got my truck put back together after doing a bunch of work on it. It still isn't starting right every time, but it's gotten better. I did the throttle cable mod and removed about an inch of slack; between that and some new parts, I'm noticing a pretty good increase in power. I'm gonna keep updating this thread until I get it starting up good every time. I'm gonna do some more work on it this weekend and check the timing and more of the sensors.
 


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