Omega Owners Forum

Omega Help Area => Omega General Help => Topic started by: trebor on 17 April 2008, 12:47:46

Title: Flickering ECU Light - update.
Post by: trebor on 17 April 2008, 12:47:46

I had a flickering ecu light with the codes 73 and 59.

I've got rid of 59 at last after checking and rebuilding the whole inlet system.

I'm now still left with 59 and a new one 57!

The ECU flickers still.  Why is this?

Have checked the wiring to both inlet manifold valves - all correct.

I have gained 57 after unplugging the idle valve and forgetting to plug it back in when I started the engine! doh!

Will 57 eventually go after so many starts?

Still not sure why I'm getting 59 still.  I originally got it for leaving the rear solenoid unplugged when I started the engine after a thermostat change.

any ideas?

Title: Re: Flickering ECU Light - update.
Post by: Marks DTM Calib on 17 April 2008, 13:21:28

57   Idle Air Control Voltage Low
59   Intake Manifold Valve 1 Voltage Low
73   Mass Air Flow Sensor Voltage Low

I assume the rear multiram solenoid is ok?

Title: Re: Flickering ECU Light - update.
Post by: trebor on 17 April 2008, 13:37:48

I've sorted 73 :)

I've tried another valve in its place - still get same code.  I could try the front one in its place?

Title: Re: Flickering ECU Light - update.
Post by: trebor on 17 April 2008, 13:38:32

Quote

I had a flickering ecu light with the codes 73 and 59.

I've got rid of 59 at last after checking and rebuilding the whole inlet system.

I'm now still left with 59 and a new one 57!

The ECU flickers still.  Why is this?

Have checked the wiring to both inlet manifold valves - all correct.

I have gained 57 after unplugging the idle valve and forgetting to plug it back in when I started the engine! doh!

Will 57 eventually go after so many starts?

Still not sure why I'm getting 59 still.  I originally got it for leaving the rear solenoid unplugged when I started the engine after a thermostat change.

any ideas?

I mean I got rid of 73!

Title: Re: Flickering ECU Light - update.
Post by: Marks DTM Calib on 17 April 2008, 14:07:05

Yes, just listing all the mentioned cods for ease.

Can you check the wiring back to the ECU?

I assume the idle valve connector and the rear multiram connector havn't been mixed up?

Title: Re: Flickering ECU Light - update.
Post by: trebor on 17 April 2008, 14:11:07

No, there's a very short lead to the back of the manifold.

Not easy to mix up.

Will check the ecu connectors.

Just seems strange as I only temporarily disconneted them...

Title: Re: Flickering ECU Light - update.
Post by: trebor on 24 April 2008, 23:14:38

Codes 57 and 19 no longer come up :)

Still left with 59 - inlet manifold valve low voltage.

Just to double check, this is the one at back of the engine?

Title: Re: Flickering ECU Light - update.
Post by: Marks DTM Calib on 25 April 2008, 09:56:22

59   Intake Manifold Valve 1 Voltage Low

WHich is the rear one.

Measure the resistance with a DVM......it should not be more than a few 10's of ohms.

Title: Re: Flickering ECU Light - update.
Post by: trebor on 25 April 2008, 18:52:05

I get 37 ohms, same as the front one.