There are four spark plugs on each side of your 1991 Chevrolet engine. The spark plugs will be near the bottom of the engine.
how to chang spark plugs in a 1992 Pontiac grand prix
Check the spark plugs and starter.
The stock plugs are best
if crancking over at usual speed check if fuel pump primes when ign is first switched on if you can hear it do usual checks for fuel at injectors check for spark at plugs
4 plugs 2 leading 2 trailing.
try spark plugs, cap, rotor, maybe an egr valve, sensors, could be a few things, spark plugs are the easiest
Disconnect the battery, remove the cables and boots, and remove the old spark plugs. Put in the new spark plugs, attach the cables and boots, and connect the battery.
It does not have one.
(This is from the 91 Caprice service manual for the HEI ignition system) Looking at the distributor cap from the front of the engine bay, and running clockwise around the cap from about the 1 o'clock position, the wire numbering is: 3,6,5,7,2,1,8,4
yes 91 and down there are two types.
In my 91 RS 305, I change the spark plugs working from underneath the car. The spark plugs are easier to see and get a 3/8 ratchet with long spark plug socket on from underneath. How can you do that? is quite imposible to remove it, is no space to do work ?