Oven cleaner: the YELLOW can of easy-off is the only one containing something strong enough to do the trick (it's spray-on bubbling lye) You can buy lye in crystal form cheap. Crystal Lye Drain Opener. "Instant Power" brand under $6 a pound at WalMart, HD. Roebic 2 lb $17 at ...
I have replaced the EGR Valve, put fuel system cleaner in it and cleaned out the ports. I had a mechanic look through the whole emissions system and he says everything is working as it should, but the light continues to come on. I am sorry for your bad luck with the car. It seems...
For the EGR valve I used brake cleaner (a little more benign than "carb" cleaner) with rags and brushes, worked fine. Do be careful with the electronics, just deal with the carbon; don't spray indiscriminately. Since I'm pulling the motor, I'll be going all the way back to the cat...
lamp has been extinguished, then carry out a road test. Many vehicles now require the EGR valve to be reset under adaptations. This simply allows the ECU to learn the stop position at the open and closed points. Failure to do this can cause the valve to break and fall int...