How to replace the crank shaft o2 sensor

Hello, crank position sensor located at the 2 o`clock position hidden behind timing cover and crank shaft pulley. If you look closely in well lit area or use a flashlight you can follow the (CCPS) harness down the right hand side of timing cover to where it goes into lower timing cover on lower right hand side of crank shaft pulley. It can be replaced with out removing timing belt. Please note if the 60,000 miles heavy service interval for timing belt is needed and water pump condition should be observed when repairing the crank position sensor.

Pull an O2 sensor before the catalytic convert. If it starts, replace the cat.

It's might be immobilized try the spare key or get it code read that should point u in the right direction

sounds like your O2 sensor and or your catalytic converter may need replacing. doesn't mean you need to do both. try the O2 sensor change first since its cheaper especially if you have your own Special Socket Head $7.?. some vehicles have an O2 sensor $30. ? under the hood at the beginning of the lower manifold and an O2 sensor down near the exhaust pipe near the Catalytic converter.

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you need to check if you have fuel pressure, may be a fuel pump problem

Lower front of engine derictly behind hormonic balancer IE the lower pulley on engine but before the oil pan two wires fairly easy to replace

just beside the lower crankshaft pulley. The crank pulley aka. balancer will have to come off to replace sensor.

It is probably the sensor before the cat. if it has a heater. The heater circuit going bad is a common problem, it does not affect the way the car runs after it warms up, it is an emission device to heat the O2 sensor up quicker than the hot exhaust gas would. It should be replaced because it will keep your check engine light on and you would not be able to pass an emission test.

O2 sensors indicate unburned oxygen in the exhaust sysytem. Bad O2 sensors causes fuel mixture to run rich. It causes fuel consumption and your emmissions test will not pass. Check for vacuum leaks check the manifold.check for a misfiring cylinder, a burned exhaust valve that is leaking compression. replace the O2 sensor or sensors. Some cars have 2 . One for the intake another for the out take. If it reads a code for the Map sensor along with the O2. It is better ifyou replace both sensors. But I think that the problem lies in the oxygen sensor or sensors. Pleae vote my answer if this helps.