I tried it for giggles. I have been fighting a cold idle stumble on my dreaded Ford 4.2 on the intake side. PCV, EGR, DPMS,MAF, ATS, TPS, all replaced or cleaned & resistance tested I did intake manifold gaskets and isolator bolts without the lean code this time, as I could not find a vacuum leak anywhere else. Plugs, wires, fuel filter and tested coil pack. I hate this engine.
I dump TCW3 following a fuel system cleaner and 1/8 tank later it starts and warms up like it was meant to. All I can think is it lubed an injector going bad, or the fuel system cleaner started something ahead of it. I did not check the pressure at the fuel rail before, and maybe I should have
I will just enjoy it while it lasts, but i am one of the bigger skeptics here on help from a can.
I dump TCW3 following a fuel system cleaner and 1/8 tank later it starts and warms up like it was meant to. All I can think is it lubed an injector going bad, or the fuel system cleaner started something ahead of it. I did not check the pressure at the fuel rail before, and maybe I should have