[img]smileys/smiley5.gif[/img]have
grand national that has had crank sensor, fuel pressure reg, tps, upgraded ignition modual, & coil pack, wires & plug replaced. wave formed injectors, primary & secondary spark crank sensor. set timing on cam sensor, fuel pressure leak down test ohm out all injectors inspected all wiring connector. still have excessive black smoke, missing at any trottle setting above quarter. spark plugs are black from over fueling. Has anybody had this proublem, or any ideas?[img]smileys/smiley5.gif[/img]</span></span></font> |
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