NISSAN 240 SX - Problem Starting the Car

Starting problems on 240SX's, break down to either:

1). Battery power - is there sufficient cold cranking power to turn over the starter/engine - you need in excess of 350 amp cold cranking power to turn over your engine. Make sure your battery is in good shape & receiving a proper charge from the alternator. Remove any white crud buildup from your battery terminals & make sure you have a good solid connection where the cables connect to the battery, starter & ground.

2). Relay - there is a Starter Relay located in the black fuse box in the engine compartment located directly behind your car battery. Remove the cover & you should see a row of 5 relays in the center of the fuse box. Remove the SECOND relay (for manual transmission that relay is the Clutch Interlock relay - for auto transmission that relay is the Park / Neutral Position relay). Try using another relay in it's place to see if the car will start. If it does then the relay is your problem.

3). Starter. Your starter could be going bad. It's 11 years old remember? If you plan on keeping the car for several more years, and decide to replace the starter, get a rebuilt starter from the dealer. Although the dealer rebuilt starters ARE more expensive, you won't have to worry about getting a poorly-rebuilt aftermarket unit that will fail you after a year or two.

4). Ignition switch - the contacts on the START position of your ignition switch could be going bad. If that's the case, you're going to have to remove the ignition switch & replace it.

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5). Other...electrical switch....One thing you didn't mention was whether your car was automatic or manual transmission, (I'm assuming it's manual transmission as you mentioned push starting in your post). If that's the case then check your Clutch interlock switch behind the clutch pedal. It's possible that your switch is not working properly. The Clutch Interlock switch is a safety switch used to make sure you don't start the car while it's in gear on a manual transmission. If the switch goes bad, then you won't be able to complete the electrical circuit required to start your car. On an automatic Transmission, the Park / Neutral Position switch on the shifter does the same thing as the manual transmission Clutch Interlock Switch.

Anyhow, hope all this information helps...Good luck with the repair. ID

95 Nissan 240SX SE

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