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Signs of a bad coil module in a 1993 Lumina 3.1 include difficulty starting the engine, misfiring or rough idling, and a noticeable decrease in engine performance or power. You may also experience an illuminated check engine light or hear unusual sounds from the engine. Additionally, if the vehicle stalls or has trouble maintaining speed, it could indicate a failing coil module. Testing the coil with a multimeter can provide further confirmation of its condition.
What else can I help you with?
What are the signs of a bad coil?
A bad coil is usually a dead coil. The are generally thought of as on or off.
What causes no spark on 1993 Chevy Lumina?
A BAD CRANK SENSOR WILL CAUSE NO SPARK AND NO PULSE SIGNAL TO FUEL INJECTORS a bad ignition module will cause no spark its located under the ignition coil trio pack
What can backfiring and cutting out be in 1992 Chevy Lumina?
water in the fuel bad spark plugs bad plug wires bad coil
You have no spark in your second cylinder on your 1994 Chevy lumina v6 What can cause this prolbem?
bad coil
1992 lumina apv 3.1 no spark changed distibtor coil relay the computer there are no crank no cam sensors timing is on what else could it be?
Bad coil? Bad distributor cap? If not HEI ignition-could be bad coil wire
Why wouldn't a '91 lumina have spark after changing plugs wires and ignition module?
Bad coils or perhaps a bad crankshaft position sensor.
What could cause your 1994 Honda Prelude to not get spark from the coil?
Either the coil is bad or the ignition control module is bad.I would think the coil is faulty.
In a HEI distributor what make a module go bad?
inside the cap where the coil is it has a ground wire that is conected to the plug and the coil body if is not properly conected it may cause to bur the module often.
What would cause a 1988 Lincoln Mark 7 not to have any spark?
Possibly a bad module it is located on the side of the distributor. Could also be a bad coil or just the wiring to either the coil or the module. Hope this helps Mark VII Heaven
Why doesn't my 1991 cutlass supreme with a 31 V6 fire on 1 and 4 what could be wrong?
This is definitely the problem: The coil is bad OR The module is bad. DO THIS: change one of the good coils with the bad, If 1 and 4 fire and the other two don't, Its the coil,,,,,,,,,, If they still don't fire, Its the module
If you had 2 coil packs with the module and plug wires replaced on your 1996 Lumina and the check engine code says random misfire again how do you check which coil pack is bad?
The 3.1 is very common for fuel injectors plugging up. Take it to an independent Garage and hvae them professionally clean the fuel injectors. The in tank additive will not solve this.
Why is spark plugs misfiring 2002 Pontiac se?
part of your coil pack could be bad or your ignition control module could be bad it just bolts right on top of your coil pack
