Less performance, economy, harder to start cold.
a '95 riviera does not have a distributor. If you mean the ignition coils, then you probably looking at bad ignition module-located under the coils. Or bad crank sensor.
bad fuse,bad coils, bad ignition modual
Ignition coils can go bad with age. They can also be damaged by a bad alternator putting out improper or unclean voltages.
There is a total of 4 ignition coils.
No
Unplug ignition coils one at a time until you find the one that doesn't effect the rpm's.That's the one that's bad.
Electronic ignition, also known as EI, can solve a lot of problems that come with one's ignition system. Not all electronic ignition systems require a distributor, but they do require coils.
Check Ignition Coils Check Ignition Coils
Bad coils or perhaps a bad crankshaft position sensor.
A bad coil can damage a converter. If the engine is misfiring, it will cause raw fuel to get into the converter and that can cause failure.
Many things can cause a snowmobile engine to back fire. Ignition coils ( spark plugs, coils) or water in fuel. Check these and maybe it will solve your problems.
There is about three ignition coils , one for each 2 valves ...