Check engine light on ? Code's ?
Testimonial: "code still says crank sensor and a small evaporative leak"
code says crank sensor, I have replaced it twice now, thinking I got a bad one
seems to run worse with the AC on !?
What code ? P0 what ? Do you know how to test crank sensor electrical circuit's ?
DTC P0336 Crankshaft Position (CKP) Sensor Circuit ,is this the code ?
Your vehicle has two crankshaft position sensors .Which did you replace ?
Circuit Description
The 24X reference signal is used to improve idle spark control at low engine speeds. The Powertrain Control Module (PCM) uses the 24X reference signal to calculate engine RPM and crankshaft position at engine speeds below 1600 RPM. The PCM constantly monitors the number of pulses on the 24X reference circuit and compares the number of 24X reference pulses to the number of 3X reference pulses and CAM signal pulses being received. If the PCM receives an incorrect number of pulses on the 24X reference circuit, DTC P0336 will set and the PCM will use the 3X reference signal circuit for fuel and ignition control. The engine will continue to start and run using the 3X reference and CAM signals only.
DTC P0336 can be caused by secondary components leaking high voltage into the ignition control (IC) module. Inspect for the following conditions:
• Incorrect harness routing near secondary ignition components.
• Ignition coil arcing to wiring harness or IC module, inspect ignition coils for cracks, carbon tracking, or other signs of damage.
• Secondary ignition wires arcing to wiring harness.
Many situations may lead to an intermittent condition. Perform each inspection or test as directed.
Important: : Remove any debris from the connector surfaces before servicing a component. Inspect the connector gaskets when diagnosing or replacing a component. Ensure that the gaskets are installed correctly. The gaskets prevent contaminate intrusion.
• Loose terminal connection
- Use a corresponding mating terminal to test for proper tension. Refer to Testing for Intermittent Conditions and Poor Connections , and to Connector Repairs in Wiring Systems for diagnosis and repair.
- Inspect the harness connectors for backed out terminals, improper mating, broken locks, improperly formed or damaged terminals, and faulty terminal to wire connection. Refer to Testing for Intermittent Conditions and Poor Connections , and to Connector Repairs in Wiring Systems for diagnosis and repair.
• Damaged harness--Inspect the wiring harness for damage. If the harness inspection does not reveal a problem, observe the display on the scan tool while moving connectors and wiring harnesses related to the sensor. A change in the scan tool display may indicate the location of the fault. Refer to Wiring Repairs in Wiring Systems for diagnosis and repair.
• Inspect the powertrain control module (PCM) and the engine grounds for clean and secure connections. Refer to Wiring Repairs in Wiring Systems for diagnosis and repair.
If the condition is determined to be intermittent, reviewing the Snapshot or Freeze Frame/Failure Records may be useful in determining when the DTC or condition was identified.
The electronic ignition system does not use the conventional distributor and coil. The ignition system consists of three ignition coils, an ignition control module, a camshaft position sensor, 7X crankshaft position sensor in the block, a 24X crankshaft position sensor behind the crankshaft balancer, related connecting wires, and the ignition control (IC) and fuel metering portion of the PCM.
thanks Jeff, I finally figured out that I only changed one crank sensor, not knowing that it had two. They have both been changed now and it runs great now
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SOURCE: 2000 Mitsubishi Galant Dying at Random
It seems like a ground problem. First check all fuses to see that they have a good contact. Second, verify the battery terminals for good contact. Third verify the charging condition in the alternator battery system., remember shoul be around 14volts with car running.
SOURCE: 2000 Chevy Malibu making knocking sound when AC is on
Is it noisy with only the blower fan on or does the A/C have to be on to get the noise.
Try using the heater only and see if the noise is present.
Let me know.
Regards,
SOURCE: 2004 Kia Optima no start after timing belt, crank, cam sensor replacement
did you use aftermarket crank sensor? if so that might be your problem. dealer has several different ones, by providing vin number, but there is only one after market for all optimas 01-05. try to connect thick pink wire and thick orange wire together on the ignition failure sensor. you might have the same problem as me. good luck.
SOURCE: 2002 chevy trailblazer has rough idle
There are numerous things that can caise a vehicle to idle rough. Could be a throttle posistioning sensor. pcv valve, dirty fuel filter, worn spark plugs and wires, possible O2 sensor. If the vehicle has not had a tune up yet, I would recomend one. Even if it doesn't fix your issue, the vehicle is ten years old and probably needs on anyways. Start there, then rule out the cheaper stuff next. pcv valve and fuel filter, inexpensive and it's probably time anyways. If you are getting an engine code, stop in to advance auto. They'll plug it in for free. If your still having problems, you may have to break down and tajke it to a mechanic to get plugged into a real diagnostics machine.(probably run you around $100)
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