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Old 12-03-2012, 06:17 PM   #1
fnlyfnd
Scooby Newbie
 
Member#: 100247
Join Date: Nov 2005
Chapter/Region: Tri-State
Location: WNY
Vehicle:
2006 WRX Wagon
San Remo Red

Default 2000 Impreza L 2.5L swap

The car is a 2000 L. The engine is a 2001 RS 2.5L


The car's 2.2L worked before the swap
The 2.5L worked before the swap
Timing is good
Fuel pressure is good
Coil pack and spark plugs are good
Compression is good

The motor cranks but won't start. We tested spark with an inline spark tester, and the problem seems to be with spark. We swapped a known working coil pack, and had the same result.

So, the question is; Why won't the ecu send the signal to fire?
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Old 12-03-2012, 07:33 PM   #2
m1r4g3
Scooby Specialist
 
Member#: 220476
Join Date: Aug 2009
Chapter/Region: TXIC
Location: Copperas Cove
Vehicle:
2--> 06 STI & 99 Foz
WRB & AW

Default

did you switch ecus?
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Old 12-03-2012, 09:07 PM   #3
Storm
Scooby Guru
 
Member#: 5218
Join Date: Mar 2001
Chapter/Region: MWSOC
Location: SAUL'S Motorsports
Vehicle:
96L Most Over-
Developed Beater

Default

Put the EJ22 engine harness (or whole intake manifold) onto the EJ25. Plug in the connectors and hit the key.

Jay
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Old 12-05-2012, 07:33 AM   #4
Storm
Scooby Guru
 
Member#: 5218
Join Date: Mar 2001
Chapter/Region: MWSOC
Location: SAUL'S Motorsports
Vehicle:
96L Most Over-
Developed Beater

Default

Also, if you have changed the ECU to an EJ25 ECU.....put the EJ22 ECU back in. The pin locations are different between the models and not compatable.

Jay
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