JWT ecu in ka24det running weird

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s13_ka24det
Posts: 25
Joined: Tue Nov 14, 2006 4:36 pm
Car: 1993 240SX Convertible

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Need some help on this one again. My car runs fine with the N/A JWT ecu programmed for 370cc injectors w/stock MAF. If I use my JWT turbo ecu programmed for 370cc injectors w/stock MAF on the same car, the idle jumps and revs as if running too rich. Any suggestions?


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WDRacing
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Posts: 15983
Joined: Mon Nov 25, 2002 2:00 am
Car: 95 240SX, 99 BMW 540i, 01 Chevy Express, 14 Ford Escape
Location: MFFO
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So if you simply swap in the NA ECU it runs fine? I'd say obviously the ECU is the problem. Call JWT and tell them the problem you're having.

WD

s13_ka24det
Posts: 25
Joined: Tue Nov 14, 2006 4:36 pm
Car: 1993 240SX Convertible

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Anybody know how to test a ECU if it is bad?

Structure240sx
Posts: 5615
Joined: Sun Oct 06, 2002 5:04 pm

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do you have a wideband and something to see timing with?

my jwt ecu ran very lean at idle. once i added fuel with my safc it was perfect


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