Engine Acting Funny
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Elder User
Joined: Feb 2003
Posts: 871
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From: Coleman, Wisconsin
Engine Acting Funny
A few days ago I posted a thread in the 80-86 forum asking why my truck quits running when slowing down. All this happened while it was snowing out. Today I took it out and it runs excellent except when I start it up while the engines warm. I had to hold the key about 5 seconds before it would fire. Are these two occurances related? Whats going on here? Thanks
Elder User
Joined: Jul 2003
Posts: 997
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From: Weston, Nebraska
Sounds to me like a fuel pump. If it would die when you slow down and didn't wanna start unless you cranked it 5 sec. Your fuel is most likely starting to lose it's prime. That or your carter 1bbl is playing choke games with you, but it sounds more like your fuel pump.
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Elder User
Joined: Feb 2003
Posts: 871
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From: Coleman, Wisconsin
I go through 3 tanks of gas a week so it should be good gas, but just incase I put in 3 bottles of Heet just to try something and its been running good so far. My truck's been known to have a problem for a few days and one day it'll be mysteriously fixed. It has a mind of its own. 
Junior User
Joined: Feb 2004
Posts: 87
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From: St.Paul, MN
A new mechanical fuel pump is $14-$26 (depends on brand) plus ship from that online parts store: www.partsamerica.com
You may want to replace your fuel filter at the same time.
Replacement is two bolts and two lines with lots of room to work. If you suspect a faulty pump, this is a cheap fix or "check". Minimally it eliminates the pump as the cause of stall.
You may want to replace your fuel filter at the same time.
Replacement is two bolts and two lines with lots of room to work. If you suspect a faulty pump, this is a cheap fix or "check". Minimally it eliminates the pump as the cause of stall.
FTE Chapter Leader
Joined: May 2002
Posts: 42,683
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From: Fraziers Bottom, WV
If you have the OEM 1 bbl carb. I would think it is going/gone south! Not very good carbs and you can only get remans. I have gone through 3 in the last 12 months with poor outcomes. Switching to an Offy intake and Holley 390cfm 4bbl this week.
