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01-29-2009, 04:01 PM | #1 |
Scooby Specialist
Member#: 182804
Join Date: Jun 2008
Location: Pensacola, FL
Vehicle:2006 Gsxr 1000 Turbo |
No spark, No fuel injector pulse.
Well here is my problem. Finally got the engine in last night, or early this morning you could say. Car would even burn the dash lights. This morning I found out my 80A main fuse was blown, So I replaced it.
Now everything seems to turn on and the car tries to crank. I have no spark or fuel pulsing when cranking. When you first turn the vehicle on the spark plugs sends a single spark, So it must be connected properly. The fuel injector harness has power but no ground (signal) when cranking. Thing's I have checked. -Fuel pump (Primes) -Fuel in fuel rail's -Manually pulsing the injectors -Harness is connected -Cam and crank sensor are connected -Spark -Fuel -Fuel lines -Ecu Map The vehicle has the following mod's. AEM EMS, running speed density. PT67 830cc witch hunter injector's ej20 with forged pistons 255 lph fuel pump BC280 cams Plus more, but these are thing's that should be of help. The engine was running on this full setup 2 weeks ago, I pulled the engine do to my valve clearance being to tight.
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02-12-2009, 12:04 AM | #2 |
Scooby Specialist
Member#: 145027
Join Date: Apr 2007
Chapter/Region:
SWIC
Location: phoenix
Vehicle:2004 WRX FP Green MFactory/2Tone/built 205 |
Why was your 80A fuse blown? The most common cause is when people jump start their car backwards which can blow a lot of stuff up. I have also seen alternator voltage regulators and diode triples go out allowing 17+ volts and/or a/c voltage which ecu's really dont like. If you have good cam and crank sensor signals, you need to check ALL the fuses in the car. Sounds like your ecu either doesn't have power or it could be fried.
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