Car Questions
RepairPal is your advocate for car care advice and guidance

Code p0300 light stay on. run good going to work 4:30 going home 2:30

(1998 GMC Sonoma)
in North Las Vegas, NV on June 23, 2014
start missing at operating temp at idol. clean egr rebuilt engine new torque converter,new tran,new distributor,new coil,ignition module,this was befor the misfire hhhhhhelp pSI do not like to process of elimination I would like to pin point it.i think it might be the catalytic converter.give me something to look for. sometime the light flashs then reaching the misfire temp,what do you think. problem every day or every time I drive
Displaying 1 answers & 0 comments
Popular Answer
on June 23, 2014
Fuel spider!
RepairPal estimates are guaranteed at over 2,000 quality certified locations nationwide. Learn more

Similar Questions

View answers to similar questions from RepairPal's community of auto experts and enthusiasts.
Was doing a TBI cleaning. Gas came up n out so there was extra fuel to burn when starting. When starting it killed th...
Didn't find what you were looking for?