how do you change the spark plugs on a 1991 q 45 infiniti
There are four spark plugs on each side of your 1991 Chevrolet engine. The spark plugs will be near the bottom of the engine.
have you tried to change the spark plugs? or the wires? it cost me only 16 usd to buy new spark plugs cables on the store, just take the Vin number of your car and they might help you find the right ones
In the engine... If it is a a straight six. They run in a row. follow the spark plugs wires to them.
You only set the timiming for engines with spark plugs, and diesels don't use spark plugs.
The 1991 Mercury Marquis spark plug gap is .034. Most spark plugs will be pre-gapped by the spark plug manufacturer.
The first 3 spark plugs to the right are easy to change,the one on the left you have to loosen up the alternater to get to.
follow the spark plug wire to the engine head and there they are