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05-02-2020, 04:05 PM
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#1 |
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Account Suspended
 Join Date: Feb 2011
Location: Ogilvie Minnesota
Posts: 461
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Injectors
The last time I ran the pickup I could hear that it was running weird. Acted like it was missing. I left it idle and went inside for a bit. Came back out and it had died. I have never replaced tbi injectors before. Should I try to clean them first? If they need replacing, where is the best place to buy them as far as good quality and decent price? As you can see, I ordered a noid light set and both sides light up so I am definitely getting juice to the injectors. And I changed the fuel filter so it's not that. Its has spark so that's not the proble either. And when I turn the key on I can hear the fuel pump kick on. Thanks for any info.
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05-02-2020, 04:11 PM
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#2 |
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Account Suspended
Join Date: Feb 2011
Location: Ogilvie Minnesota
Posts: 461
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Re: Injectors
Also I want to add that my tank selector switch I ordered off Ebay is wrong. Of course it claimed to be correct for an 87 but it's for 86 an older. There compatibility chart cant always be trusted. Just in case this helps someone in need of a tank selector switch for an 87. Its nearly identical to an 86 but not quite the same. Another 20 down the drain. I ordered the proper one today.
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05-02-2020, 05:41 PM
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#3 | |
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Registered User
Join Date: May 2015
Location: Montana
Posts: 3,696
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Re: Injectors
Quote:
You can move the throttle a few times with the engine off and there will be enough pressure to see the spray pattern from the TBI.
__________________
Current/past Chevy/GMC trucks: 1958 Chevy C-60; 1965 GMC C-50; 1965 Chevy C-10; 1971 Chevy K-10; 1973 Chevy K-20; 1976 GMC C-20; 1977 Chevy C-10 Suburban; 1980 Chevy K-10; 1989 Chevy K1500; 1991 GMC V1500 Suburban; 2016 Chevy K2500 HD Other vehicles: 1988 Jeep XJ; 2011 Toyota 4Runner |
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05-02-2020, 06:26 PM
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#4 |
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Registered User
Join Date: May 2012
Location: horseheads,ny rust belt
Posts: 2,794
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Re: Injectors
all i can say is i have had super luck with K-100 fuel system cleaner in a bottle .
maybe try this before swapping injectors .
__________________
77-k30lb BIG truck build . 87-k30lb budget beater build . 85-k30lb the plow machine build . 85-c10sb summer fun toy . ----------------------------- HOLLEY SNIPER efi = worst case of p.i.t.a i ever had . EDELBROCK pro flo 4 = best deal going so far . love my setup works great. |
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05-02-2020, 10:40 PM
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#5 |
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Just here to tinker
Join Date: Jun 2008
Location: Holland, MI
Posts: 3,697
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Re: Injectors
I suggest you find a shop that can clean and test the injectors. It's fairly cheap or at least cheaper than buying a new set of unknown quality.
__________________
78 C10 SWB Diesel #1 (wrecked)http://67-72chevytrucks.com/vboard/s...1978+silverado 78 C10 SWB Diesel #2 (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=650751 60 GMC Suburban (sold)http://67-72chevytrucks.com/vboard/s...d.php?t=445526 60 GMC 1000 (sold)http://67-72chevytrucks.com/vboard/showthread.php?t=298235 67 GMC 1500 (sold) http://67-72chevytrucks.com/vboard/s...d.php?t=803695 73 Chevy C20(Daily)http://67-72chevytrucks.com/vboard/s...d.php?t=852767 86 Suburban(summer unit) http://67-72chevytrucks.com/vboard/s...d.php?t=810697 88 Suburban 4x4(sold) |
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05-02-2020, 11:06 PM
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#6 |
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Registered User
Join Date: Aug 2007
Location: Mission Viejo, CA
Posts: 288
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Re: Injectors
I have replaced the injectors and it wasn't hard at all. If I remember right the injectors are only like $30.00 each. I just got them from O'Reilly Auto.
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