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Car Forum / Nissan / Nissan Cars / April 2005

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1989 nissan pickup with Z24 engine

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ibfodo - 10 Apr 2005 04:25 GMT
idles great....mild acceleration great....falls on it's face with more than
half throttle.  Certain must be one of the coils.  How can i diagnose this
problem.  The z24 is 4 cylinder with 8 plugs(4 intake-4 exhaust) please
help
Saml - 10 Apr 2005 15:26 GMT
I had an 84 Z24 that did that, but I fixed it by changing the Fuel Filter
and the Fuel Pump.
There is a Fuel Pump relay that may be going out also.
Hope this is helpful.
> idles great....mild acceleration great....falls on it's face with more
> than
> half throttle.  Certain must be one of the coils.  How can i diagnose this
> problem.  The z24 is 4 cylinder with 8 plugs(4 intake-4 exhaust) please
> help
Geoff Glave - 11 Apr 2005 23:50 GMT
> idles great....mild acceleration great....falls on it's face with more than
> half throttle.  Certain must be one of the coils.  How can i diagnose this
> problem.  The z24 is 4 cylinder with 8 plugs(4 intake-4 exhaust) please
> help

I doubt very much it's the coils, but it's easy to test.  Disconnect
one coil, drive truck, see if it falls on its face.  Reconnect coil
and disconnect other one.  Repeat test.

(The truck will drive on either coil.)

Cheers,
Geoff Glave
Vancouver, Canada
1988 Hardbody, Four-Banger
speedy - 21 Apr 2005 06:06 GMT
or is this yet another tale of a failing speedometer?

-Pete

>>idles great....mild acceleration great....falls on it's face with more than
>>half throttle.  Certain must be one of the coils.  How can i diagnose this
[quoted text clipped - 11 lines]
> Vancouver, Canada
> 1988 Hardbody, Four-Banger
 
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