Re: 99 jeep grand cherokee problem!?
Haven it scanned for codes, it will get u closer to a solution........if u get the dreaded p0315 Ign coil A primary/secondary circuit....be ware before replacing tps,
o2 sensor,catalytic converter, cps ,coil...most indications it may be the ecu.(pcm) be sure of your diagnoses.....good luck simply be sure to check all related connections