i had misfire code,maf and bank one lean i changed plugs,plug wires and intake gasket after i found it leaking.all codes went away except for the random multiple miss fire.would a exhaust manifold leak throw this code?code is p0300 if that helps anybody,
Nothing stock...I either broke it or replaced it before I broke it!!
shouldn't. but could. i'd look at o2 sensors. then say you can clean around mouth of TB. then other things are MAS and coil packs
04 Silverado Z-71 Extended Cab
Magnaflow, 10.4 TV 50 wires, tr-55ix, Synthetics, HID's, JL audio, 33.5", leveling kit, tuned, CAI, vette servo, cam, valve job, pacesetter. 9.3@77.5 and 14.5@93.4
06 2wd
custom cam, tune, 3.73's, servo, HID's, 10.4mm wires, long-tubes, CAI, magnaflow, 2.5" shackles, Circle-D 3200, UD, JL Audio 4.1, Alpine 5ch
I replaced my upstream o2's,cleaned my trottle body and replaced my maf with one i had off another motor.I checked fuel pressure and fp regulater all checked out fine.im outa ideas.
Nothing stock...I either broke it or replaced it before I broke it!!
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