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#1
04-24-2005, 08:15 PM
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Passenger Side Plugs Fouled
I have a 94 s-10 blazer 4.3L Vin W. My engine seems to be running fairly ritch so i pulled my plugs today to see how much carbon was built up on them. The strange thing is that, the plugs on the passenger side had a fair amount of carbon on them and the ones on the driver side still looked almost brand new. I replaced my plugs probly about 2 months ago and it was the same thing with the other set of plugs only the passenger side ones were really bad.(I still replaced them all just incase you were wondering) What the hell is up with that? Just as a side note, my vehicle has been running like sh*t. It idles up and down constantly almost stalling. Ive cleaned my EGR valve today and it still idles bad.. So im wondering if the cause of bad idling is also the cause of the plugs on the one side fouling and the ritch runnin engine
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#2
04-24-2005, 08:50 PM
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Good chance your injector assy is to blame. Could be leaking in the plenum and causing your running and carbon problem. Common on these engines. Research injector spider in this forum. Plenty of information and help. Cost to repair around 300 bucks if this is the case. Need to check inside the plenum for "washed" areas from leaking gas. Check your oil also for gas smell....
__________________
I used to be indecisive, now I am not so sure.
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#3
05-02-2005, 01:03 AM
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I ran the blazer fer a short period of time, then remove the plastic cover from the middle of the intake and then i removed the valve under the cover, i used a flashlite, it smelt very strongly of raw fuel, and i saw spots that seemed to be small puddles and other spots that seemed to wet, so i was wonderin is this most definetly my spider injector?
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#4
05-05-2005, 08:26 AM
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Re: Passenger Side Plugs Fouled
I had the smae problem.I was told to change the spider. If you are going to do that might as well change the Nut Kit.I got my spider From advanse Auto for 278.88, the nut kit is a dealer part 87.99, Gasket 15.00.There is a forum in here from Blazer LT with great pics for this job helped me out a whole lot made the job a easier.BlazerLt the forum is called CPI/Nut Kit Replacement Day.Good Luck
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#5
05-05-2005, 08:45 AM
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Re: Passenger Side Plugs Fouled
Yep, it's the CPI, and as stated above might as well change the nut kit while yer at it... The cost of the nut kit at the dealer varies... Here it's only 45.00, the gasket at advance is 7.00
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  95 s10 Blazer, EGR Mod, ZQ8 Steering box mod, 99 Center console shifter mod and more... See everything at www.pghconsulting.net/teal
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