Oldsmobile Alero Ignition Coil Troubleshooting | eHow UK

7 Apr 2015 | Author: | Comments Off on Oldsmobile Alero Ignition Coil Troubleshooting | eHow UK
Oldsmobile Alero

Ignition Troubleshooting

Written by tim petruccio

Motors introduced the Oldsmobile in 1999. The 2001 Oldsmobile was equipped with the option of a in-line 4-cylinder engine, or a V-6 engine. Both engines use a module and coil packs in the system.

Over time packs can wear out, and becomes the only option. the coil to make sure it is functioning is a good way to save and properly diagnose what is wrong with the vehicle. the coils on a 2001 Alero take about one hour.

Things you need


Oldsmobile Alero: 2.4-litre, Coil Testing Instructions

the bonnet of the Alero. Position in front of the vehicle so that you can the coil pack on the top of the engine. the electrical harness from the

The ignition coil is located on the top side of the engine. Simply the electrical connector from the module by hand.

Install an ohmmeter onto the connector end of the control module. the black lead wire the ohmmeter to the plug end marked a -. Place the red lead from the onto the plug end marked a +.

Read the dial indicator on the If the coil on the 2001 Alero, engine does not read than 10,000 ohms of then the coil is bad and needs to be

Oldsmobile Alero

2001 Oldsmobile Alero: V-6 Coil Testing Instructions

the bonnet on the Alero. Label spark plug wire on the module, using masking or labels. Write the numbers 6 on the spark plug wires left to right.

Remove two spark plug from one of the coil packs. are three coil packs, two wires on each pack. pack controls two spark

Set the plug wires on top of the engine, from any moving parts. away from the vehicle so no part of your body is the car at all.

Ask an assistant to turn the key to the Start position for no longer three second intervals. The will not start with the plug wires detached the coil. Visually inspect the while the engine is cranking.

Look for an electrical arc or spark to between the two coil towers the engine is turning over. Ask assistant to stop turning the key no more than three of cranking the engine. If the inspected has spark, then reinstall the plug wires and proceed to the next coil pack.

the coil pack that has no as well as the coil pack next to it. Use a 1/4-inch drive and socket to remove the two mounting that hold each in place. Switch the two coil by pulling both pack upward to remove them, and placing them straight to attach them.

Tighten the coil pack screws back into the packs and module, with the drive ratchet and socket. the spark plug wires off of the bad coil pack, but reattach all spark plug wires.

Ask assistant to again turn the key to the position for no longer than second intervals. Do not touch the in any way while the engine is turning Visually inspect the coil towers of the suspected bad coil If the coil pack does not spark in this second then the coil is bad and needs

If the coil that had no spark in its position has spark in the secondary then the coil module is bad and to be replaced.

Oldsmobile Alero
Oldsmobile Alero
Oldsmobile Alero
Oldsmobile Alero
Oldsmobile Alero
Oldsmobile Alero
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