2000 Jeep Grand Cherokee "engine tune" Questions

...right if the engine runs bad. lean fuel the ISC cant control idle , same for misifire. idle is the last thing to work right in EFI. is engine misfiring, and if so did it before the tune up or

...the engine revs up and down when i am using the heater. do a tune up tire pressure worn out spark plugs clogged air filter dirty engine oil low transmission fluid a good tune up will definately ...

...engine's tune-up status. Note the tune-up specifications and check for items such as severely worn spark plugs; adjust or replace as needed. On vehicles with manually adjusted valve clearances, ...

engine.but pass. 1: ever tune it up this decade? or the 60k mile service points? the first tests is, can you save the stall , with a fast right foot. 2: old gas? is car a daily drive or old winter car

...on down on gas petel,it only do it after it sits just driving? never starting> tune up time. does it hot and cold engine. tune it up. do the full 60k tuneup in the operators guide. lost

...tune up cures most cars, because almost nobody ever does it. in pure physics its simple. (classic, Otto cycle engine, not diesel) from 100 years of textbook,, same.. 1: lost compression to 1 or more ...

...engine basics) 3: weak spark. (see tune up) 4: bad fueling, too rich, too lean (tests) (lean ? for got the fuel filter?) 5: EGR valve sticking open. is this the 4.0L engine? the true causes very by ...

1994 jeep cherokee sport engine light i tuned it up with spark plug, wires and rotor button and it still runs rough and the check engine light is still on. You must ask your computer (scan for codes) ...

engine is good (compression good, times all cyl) then its weak spark (tune up is 99% factory here) or bad fueling. only tests can find the cause, guessing will be hard. here are some flooding reasons.

...engine light went on after your "tune up" then you need to find the trouble code with a scanner and that will help you in the direction you need to go. Free trouble code scan at my local autozone or ...