LS1TECH - View Single Post - High RPM stumble and backfire, insulate plug wires?

bearcatt · 10-26-2009, 12:34 PM

I can see how that can become frustrating.

I see in your previous post, that you replaced your fuel filter.
How about your fuel pressure or the fuel pump itself.

Shortly after I installed my Ractronix fuel pump and hotwire kit, I had a low RPM stumble. After I changed my fuel filter ( you did that allready ) and had my injectors cleaned, that solved my issues.
My fuel filter was filthy after 2 years and about 6500 miles.

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10-26-2009, 12:34 PM	#10
bearcatt TECH Fanatic Trader Rating: 35 Join Date: Jul 2007 Location: Pasadena California Posts: 1,073	I can see how that can become frustrating. I see in your previous post, that you replaced your fuel filter. How about your fuel pressure or the fuel pump itself. Shortly after I installed my Ractronix fuel pump and hotwire kit, I had a low RPM stumble. After I changed my fuel filter ( you did that allready ) and had my injectors cleaned, that solved my issues. My fuel filter was filthy after 2 years and about 6500 miles. . __________________ SUSPENSION: Strano S/B\|Koni 4/4\|1LE Springs\|1LE LCA\|Custom PHB\|Azenis RT615s\|Spohn T/A\|UMI 3PT DRIVETRAIN: Built MN12 T56\|LS7 Clutch\|Tick M/C\|Lou's Shortstick\|Factory Hurst SS\|Hurst Shift Knob POWERTRAIN: 216 220 Comp\|Livernois Stg1.5 Heads\|LS6 Intake\|IWIS T/C\|Comp Trunions\|Comp P/Rs