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1989 S-10 Blazer 4X4

Tiny
TRUCKERJOHN
  • MEMBER
  • 1989 CHEVROLET TRAILBLAZER
I have a 4.3 engine that ran good, but all of a sudden when its cold it is hard to start, the inside of the rotor is black with carbon and it will start if you dont touch the gas but you cant step on it untill it warms up, I replaced the the cap and rotor and the dist module, spark module, computor, ect, I recently replaced the fuel tank and pump so now im going to check for fuel presure, any ideas?
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Sunday, February 26th, 2006 AT 11:08 AM

2 Replies

Tiny
JPAM
  • MECHANIC
  • 307 POSTS
Did you also check or change Spark plugs and wires. If rotor was that bad id check./ This 2 items are cheaper than starting on fuel system. Whats the milage on this vechile. Thnks
? Over the road or local driver?
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Sunday, February 26th, 2006 AT 1:03 PM
Tiny
MVANNESSJR
  • MECHANIC
  • 223 POSTS
Check the injectors, make sure they aren't clogged. Check the fuel pressure as well.
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Sunday, February 26th, 2006 AT 2:06 PM

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