Search results

I’m having Issues with my MAF system acting up, I have Code 157. I have a new a new Motorcraft OEM sensor, no intake system leaks, No vaccum leaks and a new PCM, but still having issues. I’ve been testing all the wires and getting 13.6 volts the red wire and 12.6 volts on the ground wire with...

So I’m taking apart my 1994 4.0 OHV for a rebuild, while inspecting the pistons I’ve noticed 3 pistons are just Mahle with a 3 stamped on the dome while the others are Ford Mahle stamped with a 2 on the dome any reasoning on what the numbers on the dome mean and why they might’ve used the...