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S-10 & Blazer 1982-2005
The S-10 and Blazer was arguably the most versatile and accessorizable mid-size truck and SUV on the market.
Platform: S/T-series & GMT 330

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  #1  
Old 04-18-2009, 01:16 PM
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Default 91 S10 fuel injection problem?

i have a 91 s10 blazer and idk wtf the problem is. im gettin fuel all the way to the injectors but not past them. ive replaced fuel pump,fuel filter, am on my 3rd set of injectors,injection unit and im still not getting fuel past the injectors. ive checked all fuses/relays and they are all good? can someone please help me? im about to scrap the whole truck bc i cant figure this out and am spending way to much money
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Old 04-18-2009, 08:56 PM
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Have you checked for voltage at the injectors when cranking?
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Old 04-18-2009, 09:48 PM
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no i havnt. idk why i didnt think of that. thanks for the idea.
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Old 04-19-2009, 08:09 PM
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passenger side reads .04 when cranking and driver side reads .01
idk what this could mean?
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Old 05-09-2009, 04:45 AM
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Quote:
Originally Posted by TheBeastS10 View Post
passenger side reads .04 when cranking and driver side reads .01
idk what this could mean?
I think it means that it's time to replace the ECM or the computer.
You could match up a used one.
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Old 10-16-2009, 02:11 AM
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I had that same problem before so I ended up replacing the fuel pump and injectors. Then still nothing happened. I checked the voltage and i'l try to replace the ECM. Where is it located on the 92 blazer? Thanks

Last edited by mikeross; 10-19-2009 at 09:21 PM.
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Old 10-16-2009, 05:35 AM
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It should be under the dash, behind the glove box.
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Old 10-16-2009, 05:35 AM
 
 
 
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91, chevrolet, chevy, filter, fuel, injected, injector, injectors, kit, location, pick, problems, s10, ups, working


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