1998 Mercury Mountaineer "spark plug problems" Questions

...spark or just 1 or 2 of them? When checking only remove ONE plug at a time so you don't mess up the firing order. If all 8 have gone off together it could possibly be an ignition module problem. This ...

Have a p301, p305 codes (misfires) and p401, Engine runs really rough. 120000 and never changed spark plugs. Could a simple tune up fix this. Also replaced the egr back pressure sensor. What else ...

...Motorcraft, NGK or Denso spark plugs. Other brands won't last in a Ford product. if the ck engine light comes on it should give you code which cyl in causing the problem could be a plug wire or ...

...spark plug wires 1 at a time---when you pull off a plug wire you should notic the truck runs even worse---the one you pull off & it doesnt change the way it runs--that is the cylinder that has the ...

...spark plugs Check the HT lead and dizzy cap / coil plug . If these checkout ok then do a compression test if that checks out OK get the injector checked. I live in New Zealand and have never seen one ...

my 2003 mountaineer engine light is on. the code reads cylinder #8 the spark splugs have been changed, The mechanic says he has to take the top of the engine off to get to the problem. Is this true? ...

...spark plugs. And how many do i need for a 2005 mercury mountaineer mariner 4 plugs for a 4 cylinder, 6 plugs for a 6 cylinder and 8 for an 8 cylinder --none for a diesel pull the coil / lead of each ...

spark plug wires. does the vehicle have increased fuel mileage or oil consumption? additional fuel being dumped into the engine causes them to foul. they are not able to handle the additional fuel and

When cold it cranks & cranks forever and will finally start. Before it starts there is no spark from the coils and at the spark plugs. We changed the fuel pressure regulator. After vehicle is warm

...Spark plugs, ignition coil, fuel injectors or internal engine problems will cause this. If it has been a while since your last tune up it would certainly be a very good place to begin. The usual tune ...