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Microtech Issue - Was Fine Now Won't Start

The WOR57

By The WOR57,
in Engines & Forced Induction

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The WOR57 Collaborator

The WOR57

Posted
Posted

Hey guys, our track miraculously won't start now once I hit the button

Its a forged RB25

Microtech LT12S

GT35R

etc etc etc

Now when I turn the key it cranks and cranks forever but will not fire

There is no spark from the Splitfire coils, and the injectors do not tick

When the ignition is switched on, with CAS removed from engine, and I spin the end of the CAS - both the injectors and coilpacks tick, however when I put the CAS back in the engine - theres nothing

I am bamboozled - have replaced CAS, and Ignitor to no avail.

I am wondering if maybe tehre is a voltage drop somewhere in the electrics of the car???

Any idea or things to check would be great!

The Dan Grand Master

The Dan

Posted
Posted

Check the wiring for breaks going into the CAS. Maybe by removing the unit you are bridging a broken gap in the wire.

Long shot but it's the first thing I would check.

Also make sure the drive on the camshaft is still there.

PM-R33 Grand Master

PM-R33

Posted
Posted

Pretty much there are lights on the side of the ecu, pretty sure the red one flashes when there is a problem. If it flashes, check your hand controllers error log screens (screen 33 off of memory) and it will show what error options there are.

ErrorChk1 is for air temp, crank angle, home and ref

ErorrChk2 is for MAP, RPM, TPS and DC volts

See what it says from them and start from there.

Haines Rising Star

Haines

Posted
Posted

check your fuses

Mine was a stupid blown fuse (yes I did check them first)

same thing i could take the cas out turn it and there was ticking only problem was i couldnt get a spark (occasional weak spark)

but when we looked at fuses again there was a blown one

changed that and away she went

The WOR57 Collaborator

The WOR57

Posted
  • Author
Posted

I have a handset controller but the screen died months ago - it occassionally shows some info - i have used another controller on the ECU and it works fine so I guess my controller is only good as a paperweight now

The WOR57 Collaborator

The WOR57

Posted
  • Author
Posted
check your fuses

Mine was a stupid blown fuse (yes I did check them first)

same thing i could take the cas out turn it and there was ticking only problem was i couldnt get a spark (occasional weak spark)

but when we looked at fuses again there was a blown one

changed that and away she went

I checked all the fuses like 10 times - theres only 5 in the cabin for the whole car :D

PHaT MR30 Grand Master

PHaT MR30

Posted
Posted

Highly unlikely, but I had an issue with mine recently where the green wire for the fuel pump relay wasn't working, I ended up wiring the relay straight to earth, till I can either get it fixed or find a better solution.

The WOR57 Collaborator

The WOR57

Posted
  • Author
Posted (edited)

Auto Sparky who re-wired teh whole car is coming out tonight to look at it - jus seems weird that teh CAS when spun by hand makes the coilpacks emit spark and injectors tick - which would make me think the ignitor is fine - however once u try and crank the car, the CAS does nothing. I have watched cranked engine with no CAS fitted and the end of the cam definitely spins :D

Edited by The WOR57
The WOR57 Collaborator

The WOR57

Posted
  • Author
Posted
As the WOR57 stated is the drive inside the cam engaging into the cas locater?

Check for bad electrical contacts if you sad that when you remove the cas it triggers the inj's then it sound like bad conecction

the keyway in the end of the cam spins, which in turn I would assume spins the end of the CAS.

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