Re: Check Engine Light on 2002 Escape
There won't be a maintenance code for spark plugs unless they're not firing. Then you'll get a misfire code. The P0430 code means that the cat converter is shot as the O2 sensor detected that its no longer efficient. You won't have to replace the manifold.
'11 Ram Quad Cab 4x4 SXT 5.7L HEMI (stock); 48,500m
'06 Pontiac G6 GT 3.5L 220hp; 64,000m
'12 Chrysler 200 Limited 3.6L 283hp; 28,000m
'99 Taurus 3.0L 2V Vulcan 145hp; 154,300m - Traded
Amsoil in all vehicles!