Fuel pump or pumps will only run under certain conditions. When you turn the key on the PCM will command the fuel pumps for about 3 seconds to prime the system and then shut off the pumps, when you crank the engine, it will again turn on the pumps as long as it see's engine rotation thru the PIP...
Pull and clean the rocker arm shafts pull the plugs on the ends and run a bore brush thru them reinstall the plugs. clean and inspect the rocker arms inspect the pads and have them machined if necessary, check the adjusting screws for wear. flush the pushrod oil passages with brake cleaner and...
Might pull the vacuum line off the fuel pressure regulator and see if fuel is leaking past the diaphragm. and if so, replace the fuel pressure regulator and see if it clears up.
The only thing a thermostat does is determine the minimum operating temperature the rest of the cooling system determines what the normal operating temperature will be. 1 thought on this subject if you live in a cold climate, I would think about the warmer one. On the oil pressure subject I...
I personally don't like synthetics I prefer Dino oils as I am not a fan of extended service intervals. In manual gear boxes the difference is synchronizer material. The Toyo Koyo and the Mitsubishi boxes have brass syncro's and the Mazda's have lining material in them which is why the spec...
Mercon V is full synthetic Mercon and is backwards compatible with Mercon, and the old Ford type CJ. When full synthetic Mercon came out it was labeled as such, at some point Ford started labeling it as MerconV. Ford type F and Mercon LV and SP are different.
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