engine swap 94 to 97/cranks but won't start - Miata Forumz - Mazda Miata Chat Forums
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NA (1989-1997) NA Miata discussion within. The MX5's first generation, the NA, sold over 400,000 units from 1989 to 1997.

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Old 10-07-2016, 06:28 PM   #1  
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Question engine swap 94 to 97/cranks but won't start

I swapped a 97 long block for my 94 engine. Prior to the swap, engine ran really rough, found bent intake valve. I took everything off the 97 engine and replaced with all the original 94 engine components, intake, coils, all emissions and camshaft timing sensor. Engine would crank and not start. I am getting fuel and spark, but engine just cranks. Engine will run for about 4 secs with starting fluid. Have any suggestions?
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Old 10-11-2016, 10:21 PM   #2  
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Default Getting no signal to fuel injection. PCM

I swapped a 97 long block for my 94 engine. Prior to the swap, engine ran really rough, found bent intake valve. I took everything off the 97 engine and replaced with all the original 94 engine components, intake, coils, all emissions and camshaft timing sensor. Engine would crank and not start. I am getting fuel and spark, but engine just cranks. Engine will run for about 4 secs with starting fluid. Have any suggestions?[/QUOTE]
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