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1998 GMC 7.4L L29 cylinder 1 and 3 Missfire ?
Hello everyone I'm in need of some help ? I have a 1998 GMC sierra one ton crew cab long box with the 7400 l29 and i have a misfire in cylinder 1 and cylinder 3 when i bring the RPM above 2500 misfire in cylinder 1 goes away but misfire in cylinder 3 is still there? i have just replaced the -...- Rbrackman92
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- Forum: Engine Performance + Maintenance
