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03-31-2017, 02:06 AM
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Registered User
 
Join Date: Jun 2006
Location: Maple Valley, WA
Posts: 1,913
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Surging
1991 Chevy S10
4.3L TBI TH700R4 I need to update my miles on here since the truck now has 262000 miles on it. So recently the truck doesn't want to fire right up if I take a short drive [less than 10 minutes] and once its warm it runs fine but at 40 to 50 mph it stutters and shudders a pinch until I give it more gas. I thought it was a trans issue of it slipping but it did it off idle in park. Is it time to replace my TBI unit? I recently replace the IAC and it ran better for a month and now this issue popped up, do the IAC's go bad or are known to fail? I could clean the one I pulled and reinstall it. Tank was cleaned and new pump and filter were installed 2 years ago with zero issues until now and I still get 20mpg hwy. I only run 92 octane non ethanol gas.
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Custom Painter/Restoration Specialist 1965 GMC 3/4 Ton LB SOLD? 1964 Chevy El Camino in full restoration 1991 Chevy S10 288K+ miles 2nd Owner SOLD 2020 RAM 1500 Warlock |
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