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Tech Talk Technical Discussion About The Nissan 240SX and Nissan Z Cars


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Old 04-27-2005, 04:05 PM   #1
300max
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car starts but won't stay running?

1995 Ka-t w/ Enthalpy ECU, 550's, Z32 MAF

I finally got It started, it ended up being the battery and a MAF grounding issue.

However when started the rpm's go up to about 1500 and then start fluctuating between 1500 and 2000. After about a minute the rpms begin descending, getting to around 600-700. The engine then struggles at that point sometimes shooting up to 2000 rpms before eventually descending and stalling out. Total time is anywhere between 3-5 minutes.

Any ideas?
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Old 04-27-2005, 06:08 PM   #2
drew935
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sounds like a maf problem. Look at the fsm to test accordingly. I have the same problem but it doesn't idle as long. Plus I have to start it several times for it to get to idle longer than 10 secs. I know that I need to test the Maf for my problem. And this has been happening just lately.
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