94 altima won't start - Nissan Forum
 
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post #1 of 2 Old Jun 11th, 2008, 05:24 PM Thread Starter
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94 altima won't start

my 94 altima had problem of stall when hot, and sometime won't start until it is cool down. Most recently, it won't start any more, It cranks and no spark out of plug(even out of coil). So I replace the Ignition module(transistor, it could be related to stall problem when engine is hot) and still have no spark(actually, a little spark came out when stop crank). I also test the coil, measuring resistances and manually make it fire the sparks. Pls help me how to further diagnose the problem? (ECM code 11 and 21 shown).

thanks
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post #2 of 2 Old Jun 17th, 2008, 07:43 AM
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Quote:
Originally Posted by huang6967 View Post
my 94 altima had problem of stall when hot, and sometime won't start until it is cool down. Most recently, it won't start any more, It cranks and no spark out of plug(even out of coil). So I replace the Ignition module(transistor, it could be related to stall problem when engine is hot) and still have no spark(actually, a little spark came out when stop crank). I also test the coil, measuring resistances and manually make it fire the sparks. Pls help me how to further diagnose the problem? (ECM code 11 and 21 shown).

thanks
Crank angle sensor in distributor is common for this problem. Often the oil seal at the bottom of dist. goes bad and lets oil in on sensor. Look and see if oil is in the dist. You may have to remove the dust cover under the rotor button to see it. Someone around here had a source for the seal but don't remember where. Try word search in this forum if you do need the seal.

It's much easier to travel through a maze when you have a map!

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86.5 Nissan HB D21 234K Miles
94 Nissan Altima GXE ? Miles
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64 Chrysler 300-K 2-door Convertible 63K Miles
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  Nissan Forum > Altima/Stanza > U13 1993-1997 Altima

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