2002 mitsubishi eclipse no spark

Did you test circuits for the sensor ,or just replace it ?
Circuit Description
The crankshaft position (CKP) sensor is a sensor designed to detect changes in a magnetic field. The control module supplies the CKP sensor a signal and ground circuits. Ignition voltage is supplied to the sensor by an independent circuit. The CKP sensor produces a magnetic field whenever the ignition is ON. The CKP sensor is mounted near a reluctor wheel that is attached to the crankshaft. When the crankshaft rotates, when the engine is cranking or running, the toothed reluctor wheel changes the magnetic field. The CKP sensor converts each change in the magnetic field into a PULSE. The number of teeth on the reluctor wheel determines how many pulses the CKP sensor detects per crankshaft rotation. The CKP sensor signal is used in order to determine the engine speed, the crankshaft position, and to detect misfire.
If the VCM does not detect a CKP signal during engine cranking for a predetermined amount of time, this DTC will be set.

Video's on youtube for testing crank sensor

Inspect the reluctor wheel for signs of damage or looseness. Refer to Diagnostic Aids. If you find damage or looseness to the reluctor wheel, refer to Camshaft Replacement - Left Side in Engine Mechanical.
Did you find and correct the condition?

Diagnostic Aids
• The following conditions may cause this DTC to set:
- Camshaft reluctor wheel damage
- Incorrect sensor installation
- The sensor coming in contact with the reluctor wheel
- Excessive air gap between the reluctor wheel and the sensor magnet
- A cracked or damaged sensor
- Foreign material passing between the sensor and the reluctor wheel
• This DTC will set with an intermittent failure on the ignition 1 voltage circuit, the CMP sensor signal circuit, or the low reference circuit. A hard failure of any one of these circuits should set DTC P0342 or P0343.
• The CMP sensor low reference circuit is shared with the mass air flow (MAF) sensor, and the engine coolant temperature (ECT) sensor.

The camshaft position (CMP) sensor is a hall effect switching device that works in conjunction with a single tooth reluctor wheel used to determine the position of the bank 2 exhaust camshaft. The engine control module (ECM) expects the CMP sensor signal to be low, 0 volts, as the single tooth in the reluctor wheel passes the sensor, and high, 12 volts, during the remainder of the reluctor wheel rotation. The ECM supplies a 12-volt pull up voltage on the CMP sensor signal circuit. The ECM expects to see one transition from high to low every two crankshaft revolutions. This signal, when combined with the crankshaft position (CKP) sensor signal, enables the ECM to properly synchronize ignition timing, fuel delivery and knock control. As long as the CKP signal is available, the engine can start and run. The ECM will default to a non-sequential fuel injector operation even if there is no CMP sensor signal. If the ECM detects extra or missing CMP sensor signal transitions within a certain number of crankshaft revolutions, DTC P0341 sets.
The CMP sensor has the following circuits:
• Ignition 1 voltage circuit
• Low Reference circuit
• CMP sensor signal circuit

Your 1999 Mitsubishi Diamante is a 3.5L MFI SOHC 6cyl engine.
MFI = multi-port fuel injection
SOHC = single overhead camshaft
This answer covers Mitsubishi Diamante1.8L, 2.4L, 3.0L (SOHC and DOHC), 3.5L, and 1997-2000 1.5L Engines.

2.4L engine shown, others similar.

Fig.1 - CKP position and its two mounting bolts


In Fig. 1, the two arrows point to the CKP (crankshaft position sensor) mounting bolts to remove. 2.4L engine shown.

Fig.2 - CKP reluctor removal

Remove the sensor and slide the reluctor wheel off of the crankshaft-2.4L engine shown.

1. Disconnect the negative battery cable.
2. Remove the timing belt.
3. Unplug the sensor connector.
4. Unfasten the two retaining bolts, then remove the CKP sensor from the vehicle.
5. Installation is the reverse of the removal procedure.

Reference: Autozone online repair guide: Mitsubishi Galant/Mirage/Diamante 1990-2000, at
www.autozone.com

Fig.3 - photo - new 99Diamante CKP, a Wells part #SU4313

Is the check engine light on? you could have a bad ignition fail sensor, TPS sensor, or bad o2 sensor. it could also be a bad mass air flow sensor or a vacuum leak. without a code to help pin point the problem I'd start by checking those things first. Maybe try unplugging the mass airflow sensor and start it up and see if anything changes.

Access to the crankshaft sensor is impeded by the timing belt, which must be removed, on a 2001 Mitsubishi Eclipse 3.0L V6. -----------------------------------------------------------------------------------
Multidiag Actia

no just remove the timing belt cover and crankshaft pulley.

Is this a V6 or 4cyl???>>>(V6) This requires removing the Harmonic balancer (crankshaft pulley). Remove (R) front wheel, remove engine splash Guard, Remove crank pulley, remove lower timing belt cover. The Crank sensor is located behind the crank shaft pulley!! I highly recommend having this done by a certified tech, requires special tools. Hopefully this helps!!

is there spark ? and is it getting gas ? have you checked all the fluid levels etc...could be the fuel filter ,pump ? do you hear anything such as the fuel pump operate when you turn the key to the on position ?
open the hood and visually inspect any Obvious issues as wires off or and vacuum lines dry-rotted check the air filter .....but first check for spark and gas

possible solution, there is an idle circuit on your mass airflow sensor that allows air to bypass the throttle plate. if this little actuator is not working then no idle air will be able to get by the throttle plate which then tells the mass air flow sensor that there is no air moving which in turn tells the computer to stop pumping gas into the cylinders...which make your car shut off. hope this helps, cheers