1996 Infiniti Q45 Car won't start

  • 1996 INFINITI Q45
1996 Infiniti Q45 V8 Automatic

I have a 1996 Infiniti Q45 That I know needs a new mass airflow sensor. It had been idling rough and cutting off while driving, but still the engine otherwise drove quietly. The starter never seemed to be acting wierd either when cranking. But now the car just won't start. I replaced the battery because the battery did indeed die. But even after putting a new battery in, it still won't start. When I turn the key, it will not make a sound. Could this be because of the need for a new MAF sensor? Or is there possibly something else going on?
Do you
have the same problem?
Friday, April 16th, 2010 AT 4:51 PM

1 Reply

The MAF won't cause your engine to fail to turn over. This can only be caused by your battery, starter or the circuit in between. (Including your ignition switch)

Also, your starter won't always act funny or make weird noises before it's ready to quit. Sometimes they just stop working.

Now, do you get any power in your car at all? (Head lights, radio, etc.) If so, then your bat is good. But even if your bat is good, your bat terminals/cables could be loose or have enough corrosion to prevent the starter from drawing enough juice to turn.

Begin your diagnosis by checking all of the fuses and relays.

If you don't get any power, then your bat or ignition switch is the problem. You'll have to check each one of these systems and isolate the cause.

If everything checks out OK, then your starter is probably shot.

But don't just replace components on your car. Test everything first.
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Sunday, April 25th, 2010 AT 9:53 PM

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