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#1
07-10-2009, 07:03 PM
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93 s10 blazer problem
it sputters realy bad at low rpm.it ran fine 4 days ago, then the fuel pressure regulator went.i replaced it and it still runs like crap.it even sputters at higher rpm.its ok at mid rpm but not like it used to run.ive replaced just about every sensor on it.could it be either a head gasket or an intake gasket?or maybe something else?? please help me .Thanks
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#2
07-11-2009, 08:57 AM
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Re: 93 s10 blazer problem
Quote:
What engine and what is the fuel pressure readings? How is the ign system? Good Hot blue spark? Plugs and wires and dist cap? Any codes or check engine light? Any engine cylinder misfires?
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Remember proper testing gives us the answer to many problems. MT
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#3
07-16-2009, 05:55 PM
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Re: 93 s10 blazer problem
does it idle rough? may be egr sticking open.runs fine while driving but rough idle.
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95 jimmy. Vortec V6. 4.3 liter CPI. ,2.5" catco cat, 2.5" cat back with flowmaster muffler split rear., 40 street series, 2 12" audiobahns in custom box,K&N CPI intake system. 71 Mustang coupe- project car. stock 302 with Cobra intake, holley 650dp, afco racing radiator, headman headers, msd distributor, 2.5" from the headers.C4 tranny with shift kit, Mach 1 body lay out. 90 cav, 2.2 tbi, gas getter. 99 chevy s10 zr2, 6" lift, duel exhaust. 5 speed.
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