Report from the dealer:
It is throwing 30 codes, many inter-related. Cracked exhaust manifolds on both sides, “needs a new intake manifold” possibly EGR valve, O2 sensor and mass air flow sensor.
I suspect it is hard to tell since some of these parts effect downstream performance and sensors...
My idle is very rough and getting worse. Will barely run, spuuters and dies. Disconnected the wire to the MAF sensor and it runs perfectly. Service guy at the dealer says it is the throttle body assembly. What do you guys think?
Mine is almost undrivable now. RPM’s want to stay low and then it stalls. If I push the gas and brake I can get it up to a drivable speed. I am going to buy a Denso fuel pump and Mitsubishi fuel filter assembly a nd take it to my guy. I will get codes read and his opinion and go from there.
Hello All, I have been away for a while, not spending time on ExPo. Recently my 2003, 3.8L Monty has developed a significant sputter. Maybe starving for fuel? It happens frequently and intermittently, especially after sitting for a day or two. After more driving is goes away almost completely. I...