1990 Oldsmobile Cutlass Ciera Q&A
1990 Oldsmobile Cutlass Ciera Question: spark plug wires
The spark plug wires and cover come off altogether on the 3.3L engine in your 1990 Cutlass Ciera. The cover is secured on "studs" that stick up from the valve cover bolts or it may have two tabs that attach under the base of the valve cover. Just disconnect the plug wires at the coil and spark plugs and lift the whole works straight up. It should come right off. You can then disassemble the plastic cover to access the plug wires. - Jim Taddei
The spark plug wire rubber boots may get soaked with oil, causing a misfire or rough idle.
and if i do have a spark plug that is cracked and difficult to remove how do i go about that?
changed the plugs and wires in the car yesterday..... now it runs poorly. found one plug wasnt sparking as good as the rest and put an old one in. ran better but still bad. found a firing order dia...
we changed the thermostat...burped the radiator...seemed to help a little..could it be a coolant sensor, or maybe need to replace hoses...plugged heater core..car seems to run okay...once in while ...
Corrosion may develop at the connection between the ignition coil tower and spark plug wire resulting in an engine misfire. The Ignition coil and spark plug wire should both be replaced to correct ...