Idling rough and now more times then not running rough no code what could it be?
What is your question?
First code was P0401 (insufficient egr flow) had it cleaned, where there was very little carbon build up. A couple weeks later light came back on, but then went off the next day. Two weeks after that light comes back on and rode a little rough, then tried to get on thw freeway and it started jumping and check engine light started flashing so took it in. Threw a P0302 (misfire cylinder #2) they replace all spark plugs and my #2 boot, and engine coolant hose connector. Same day we drove over 100miles to my mothers as soon as we got off the 70mph freeway it started idling rough. Now day 3 it idles rough and runs rough (jumpy between 60 &70) no code thrown after almost 300miles are our tune up. What could it be?? :-(
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Thank you for your question, As far as running rough and no check engine light there are several things that can cause this, The code PO401 and PO302 are rarely related to one another, The OBD -2 system is very accurate on this vehicle, however replacing parts based on codes and pattern failures is never a good option. The system does have the ability to go into much deeper diagnostic data through mode 6 diagnosis, this is basically serial data analysis and can pin point alot of underlying issues, The best advice I can give you is get full and proper diagnosis, then have the repairs done with a facility that backs there diagnosis AND repairs, possibilities are fuel quality, fuel supply, fuel delivery (yes they are two separate systems), intake tract issue, engine mechanical issues.
I have it at Bob's Tire right now they did the original work so they said they were going to run through the engine and recheck their work. I'm just hoping it won't cost an arm and a leg (I've had the car for 2 months)
It's in Red Bluff. They said it was an ignition coil, it wasn't hitting 25% of the time. Its running fine now but I'll know better when I drive further tonight .
I have it at Bob's Tire right now they did the original work so they said they were going to run through the engine and recheck their work. I'm just hoping it won't cost an arm and a leg (I've had the car for 2 months)
I am not that familiar with particular shop, Just keep me in the loop and I will do my best to guide you in the right repair decision. Tim
It's in Red Bluff. They said it was an ignition coil, it wasn't hitting 25% of the time. Its running fine now but I'll know better when I drive further tonight .