Incorrect timing. Spark plug wires or distributor installed incorrectly.
Just grease the fittings... It makes all the difference
Dirty air filter
have a miss fire on a3.0 1998 ford what are possible causes
A GT intake will not directly bolt up to a V6 motor. While it is possible that the GT intake could be modified to fit, it would be more cost-effective to purchase an intake for a V6.
When my 1997 Ford Probe started to do that we toke a look at it and found a few leaks in the Air Intake
hohohohoho
Change your plugs.
grounded circuit
The intake on the 1979 Ford 302 engine is different than the intake on the 1993 Ford 302 engine. The intakes are not interchangeable.
The howling on my Ranger came from the IAC valve located at the top of the intake. Cost somewhere around $50.00 from a local autopart store.
There are several possible causes of a Ford code 1405. Some of the causes could be DPFE sensor harness short, plugged EGR tube, and or a faulty DPFE.
Check your intake gaskets