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Username Post: Fuel starved?        (Topic#353828)
C10KLee 
Contributor
Posts: 204
C10KLee
Loc: NC
Reg: 10-14-07
11-09-18 02:07 AM - Post#2750855    

Acted like it was running out. Smell gas under hood, but no visible leaks. Changed filter and cleaned carb. Slightly better, but...still acts like it needs more fuel. Vacuum guage reads lower than the usual 18", also. Came back up a bit after the described work. Pump? Trash in bowl? Pulled a plug from each bank and they look good. Times are tough and it's my daily driver again. Cost me work yesterday, though. First time she's left me stranded in memory.



 
Shepherd 
Frequent Contributor
Posts: 1505

Loc: Lake George, NY
Reg: 11-11-15
11-09-18 05:34 AM - Post#2750866    
    In response to C10KLee

Look for cracked or leaking fuel lines for starters. If it has a Quadrajet, they have a fuel filter in the inlet fitting.



 
C10KLee 
Contributor
Posts: 204
C10KLee
Loc: NC
Reg: 10-14-07
11-10-18 09:50 AM - Post#2750987    
    In response to Shepherd

Fuel lines look good. Has an Edelbrock. Thinking there may be debris inside. Spraying carb cleaner in the driver's side primary produced the expected bog, but no effect on passenger side. May have to remove top and clean out the bowls? Or, is there a chance the distributor could cause this? Someone mentioned the pickup coil.



 
gchemist 
Senior Chevytalk Moderator
Posts: 24493
gchemist
Loc: Austin, TX 78748
Reg: 05-09-00
11-12-18 06:08 AM - Post#2751139    
    In response to C10KLee

You can ohm out the coil. You'll need a digital voltmeter. I'll have to dig up the values.

'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles


 
C10KLee 
Contributor
Posts: 204
C10KLee
Loc: NC
Reg: 10-14-07
11-12-18 02:51 PM - Post#2751182    
    In response to gchemist

I think it is the distibutor. Acts like the advance weights are sticking and not returning to base timing at idle. Saw some white grease on the weights and tried a quick fix at work with some contact cleaner. Meh. It's a junkyard part, anyway. Need a new one. Recommendations for best part/lowest cost?



 
gchemist 
Senior Chevytalk Moderator
Posts: 24493
gchemist
Loc: Austin, TX 78748
Reg: 05-09-00
11-13-18 04:15 AM - Post#2751224    
    In response to C10KLee

A new distributor from Advance Auto or other parts store will work fine on a stock engine. Check with RockAuto too.

'83 Silverardo XST - ZZ4 powered
'95 Jimmy SLT (Bought @131,814)
'96 GMC Jimmy LS Ret. @236651 miles


 
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