Menu Close

How can you tell if your ignition control module is bad?

How can you tell if your ignition control module is bad?

Signs of a Bad Ignition Module

  1. Acceleration Issues. The vehicle may shake, vibrate or jerk when the gas pedal is pressed. There may be hesitation or lack of power during increases in speed.
  2. Temperature Problems. A faulty ignition module can cause a vehicle to overheat.
  3. No Power. The engine may turn over without starting.

How do you change an ignition control module?

Reach under the engine and unplug the coil assembly electrical connectors. Remove the assembly mounting bolts using a ratchet and socket. Remove the assembly from the engine and remove the coils using a ratchet and socket. Remove the old ignition module from the base plate and install the new unit.

What module controls the ignition control?

The ignition control module is usually mounted on the top of the engine and is heavily insulated to protect it from the heat. When the engine turns on, the engine control unit (ECU) sends a signal to the ignition control module.

What happens when the ignition control module goes bad?

a faulty ignition module can affect ignition timing, resulting in an engine that misfires and runs rough. the engine may also run well at low speed, but won’t accelerate well. 3. stalling: a failing ignition module can occasionally prevent the engine from getting spark, causing it to stall.

How do you test a ignition Control Module?

Connect the ground lead from the 12-volt test light to the negative terminal on the ignition coil. Have your partner crank the engine over several times. Your test light should flicker on and off. If so, your module is working properly and no further testing is necessary.

How much does it cost to replace an ignition control module?

Ignition Control Module Replacement Cost – RepairPal Estimate. Labor costs are estimated between $57 and $71 while parts are priced between $221 and $313. This range does not include taxes and fees, and does not factor in your specific vehicle or unique location.

Does the ignition control module control the fuel pump?

When the key is turned on, the powertrain control module (PCM) closes the fuel pump relay, which activates the fuel pump for about three seconds to pressurize the fuel injectors. When the engine starts, the CKP signals the PCM to keep the fuel pump and fuel delivery system running.

Where is the ignition module on a GM car?

Locate the ignition module. The ignition module is found directly next to the cylinder coil packs. Refer to your GM vehicle repair manual for exact location as it varies slightly by model. Connect the positive test light lead to the ignition module signal wire.

Where are the sensors on a GM 2.2 liter engine?

Typical engine data sensor and control component locations on the GM 2.2L and 2.4L Ecotec engine. Click on numbers below image for more information. 1. Ignition coil over plug 2.

How to test the GM 2.2L ignition coil pack?

To see all of the GM 2.2L ‘How To Test’ Articles, you can go here: GM 2.2L Main Index Of Articles.

Where is the CKP sensor on the ignition module?

As you can see, the CKP sensor signal is critical for the ECM and ignition control module to start sparking the Igntion coils at START UP and at all engine speeds. The CKP sensor is located on the block.