Car not fire ing at plugs will not start up after replaceing rear main seal
A crankshaft position sensor or a camshaft position sensor can both cause a no fire condition. Both of these sensors are magnetic sensors that communicate with each other and pass that information on to the computer, letting it know that the motor is in correct time. Of either of these sensors go out, the computer doesn't know if the motor is in time, and can keep the engine from firing.
If you just replaced the rear main seal, double check to make sure that both sensors got reconnected (if you had to disconnect them)first thing. After that, you might look into testing them. I'm sure you can do an ohms resistance test, but also make sure you're getting voltage from the connector while trying to crank the motor. Ican tell you from experience that those cars have issues with their camshaft position sensors. Good luck!
SOURCE: 1994 nissan quest crankshaft rear main seal removal
There is no other way other than to remove the engine.I now its a lot of work but if you want to do the job properly then thats the way to do it.You can remove the gearbox and try.I think thats a waist of time good luck.
SOURCE: rear main seal
I have done many the transmisson has to come out to replace it but your price is way out of line, should not be more than $400.00 give me a zip and I can get you a certified shop that can do it for less with a warrenty.
SOURCE: 1997 nissan maxima. small oil
sea foam makes an additive for reconditioning seals in the engine(rear main included)....cost about twelve dollars....use according to directions on package...then sell
SOURCE: getting a bad speed sensor
This sensor is located on the transmission.P1574 is the ASCD Vehicle Speed Sensor so it would be relative to your speedo problem.
Possible Causes:
*Harness or connectors
(The CAN communication line is open or
shorted.)
*Harness or connectors
(The combination meter circuit is open or
shorted.)
*TCM
*Combination meter
*Vehicle speed sensor
*ECM
Possible Causes for P0462 (Fuel Level Sensor):
*Harness or connectors
(The CAN communication line is open or
shorted)
*Harness or connectors
(The sensor circuit is open or shorted)
*Combination meter
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