z32 maf problem

Discuss topics related to the CA18DE and CA18DET series engines.
greensx
Posts: 177
Joined: Fri May 05, 2006 8:32 am
Car: 93 240sx hatchback

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Well finally have my motor running except when i plug in the n62 maf it shuts my motor. All the wiring is correctly done using the faqs way and it can't be the maf because i have bought another one that was working and is still doing the same thing. This and finally getting my gauges to actually work(might have a solution for this hopefully) is what's actually keeping me from getting this on the road again:( Any help would be appreciated


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traymack1
Posts: 23
Joined: Sun Jul 01, 2007 5:47 am
Car: Infiniti G20(stolen), s14 240sx

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Is there any upgrades to the motor, if you don't increase the injector size and tune the computer for that maf it is not going to work properly if at all

greensx
Posts: 177
Joined: Fri May 05, 2006 8:32 am
Car: 93 240sx hatchback

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My bad upgrades done are450 dsm injectors300zx fuel pump300zx fuel filtersr20 t25

and the ecu has been tuned for the components. But is there any actual way to make sure the person i sent it to actually did the upgrades.

greensx
Posts: 177
Joined: Fri May 05, 2006 8:32 am
Car: 93 240sx hatchback

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Bump any other ideas from anyone?

boost_boy
Posts: 7051
Joined: Thu Nov 14, 2002 7:28 am
Car: B12 sentra w/built CA18DET, B12 sentra w/fully-built CA18DET, S13 coupe w/ CA18DET, S13 hatch w/CA18DET, 2002 maxima SE
Location: Miami, FL.
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greensx wrote:Bump any other ideas from anyone?
If you say you've done all the wiring correctly, then start looking at the the computer/tune.

Dee

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rovert
Posts: 71
Joined: Sun Apr 15, 2007 3:22 pm
Car: 1992 Nissan Silvia

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Dude, I have the same set up, do you have a tune you can send me for it? Anyways, is the car running when you plug it in? Because its going to be such a shock to the ECU trying to adjust to the new reading from the MAFS that is usually bogs down and dies before it can adjust. I would try turning your car off, plugging it in, then starting. Also, is it clean? Use MAFS cleaner on it to be sure.

greensx
Posts: 177
Joined: Fri May 05, 2006 8:32 am
Car: 93 240sx hatchback

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No man i've tried both the maf plugged in and not plugged. I've sprayed maf cleaner on both mafs so it's not that. I could post a video on whats happening if it would help

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rovert
Posts: 71
Joined: Sun Apr 15, 2007 3:22 pm
Car: 1992 Nissan Silvia

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greensx wrote:No man i've tried both the maf plugged in and not plugged. I've sprayed maf cleaner on both mafs so it's not that. I could post a video on whats happening if it would help
Ya, post a vid if you can. Only reason I said that was because I had the same issue when I was running a KA-E MAF on my CA. It worked fine but when I had it unplugged while running and plugged it in it would spudder and die. Only other thing I can think of would be to make sure its wired up correctly.


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