what makes you think that.
or what tests , prove that.
btw, if the PCM thinks (by any means) that SPARK is bad, it will in fact cut all fuel. (no crash and burn like on TV @!)
so spark is first. not fuel.
see why? and the engine cant use fuel if spark is dead.so 2 reasons.
this is a jeep Grand Cherokee, commander,
and what engine, they have many.
always post engine then ask questions.
no body does, but do. please.
here is the list. 11 used all years, but less in 2006 USA.
is car A USA car>?
The Jeep Commander offered a base V6 engine
with an optional 4.7 L Magnum and 5.7 L Hemi V8
and certain other markets like Chile, South Africa, and South Korea, the Commander offers a V6 Diesel engine
developed by DaimlerChrysler
see why I ask country>? 8000 post and not one post ever with country. amazing, but true, be the first to knock my socks off.