NA Motor Discussions regarding N/A KA24E, KA24DE, and SR20DE

Sputtering and wont rev over 3g's

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Old 10-25-2006, 10:40 PM
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Sputtering and wont rev over 3g's

All right guys lets see if we can fix this one.

I have a 1990 240sx, it starts and idles fine most of the time. The problem is when I go to give it gas it will sputter and not want to rev. It will rev if I slightly give it gas, but it will only make it to 3,000rpm before it sounds like the fuel cuts out. If I floor it, it will bog really bad a back fire like crazy.

I replaced the MAF and the fuel filter today. I did have a crack in the rubber intake hose by the throttle but I fixed that for the time being.

All this started when I got home last night. I did bounce it off the rev limiter in first gear, then everything went to ****. I did fill up with gas earlier that night but drove like 40 mi before this happened. I already put some heet fuel additive just incase it was bad gas but the car still runs like ****.

I need to fix this problem ASAP cause it needs to be my daily driver until the summertime, when I can ride my bike.

Thanks for any helpful advice
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Old 10-26-2006, 05:42 PM
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try a new o2 sensor
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Old 10-27-2006, 10:17 PM
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can you hear the fuel pump when you turn the key?
sounds like fuel pump.
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Old 10-28-2006, 09:11 AM
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I figured it out it was the top half of the distributer that came loose.
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Old 11-25-2006, 08:05 PM
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i was going to say to replace the router in the distributer, but good to see you found the problem and it didn't cost much.
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