displaying posts 1 to 8 of 8

Author Subject: Omex help
blandy

Seasoned Pro

Location: Bucks

Registered: 25 Feb 2007

Posts: 2,437

Status: Offline

Post #1

Come to fire the car up this morning as booked a Trackday next weekend so thought better check it over went into the garage ok after a day out in April so first time I've come to fire it up since and nothing will run. Car doesn't seem to fire the injectors - have spark and but no fuel form the injectors - can visibly look down the throttle bodies and have had them out to check and no spray. I have fuel from the pump and and also pressure at the rail but the injectors do not appear to fire

Any ideas? I haven't got another set of injectors but find it unlikely all 4 would die at once
Posted 10th Jun 2017 at 17:58
Day666

Seasoned Pro

Location: Bristol

Registered: 20 Apr 2013

Posts: 5,213

Status: Offline

Post #2
As you already know Omex can fail ...you sure you got a full 12 plus volts going to it in cranking as if it drops the ECU won't allow it to pick up the crank sensor & then fire the injectors & start ?
Load test your battery as well incase it's had it ...even a battery pack isn't enough if the battery's duff enough ...is it a race battery ?.....if so they are prone to fail Thumbs up
Posted 10th Jun 2017 at 23:24
blandy

Seasoned Pro

Location: Bucks

Registered: 25 Feb 2007

Posts: 2,437

Status: Offline

Post #3
There is a spark so battery and crank sensor is ok as uses crank position for ignition as well as injection
Posted 11th Jun 2017 at 19:36
rich_w

Seasoned Pro

Location: Havant, Hampshire

Registered: 29 Jul 2004

Posts: 5,412

Status: Offline

Post #4
Check you have +12V at the injectors. Is it a standard Omex harness? With a 5 pin main power relay?

________________________________________

Contact Details:

rich@lynxpowerengineering.co.uk
07732 822546

Posted 11th Jun 2017 at 20:34
fatlapit

Seasoned Pro

Location: STOCKSFIELD

Registered: 02 Nov 2010

Posts: 3,040

Status: Offline

Post #5
send it away for test

________________________________________


Posted 12th Jun 2017 at 16:42
grantpipe

Junior User

Location: golspie

Registered: 01 Dec 2014

Posts: 85

Status: Offline

Post #6
I sent mine to Omex for a new coil driver check over and test. Was 67quid including postage. Also very helpful over the phone. Worth it I thought.
Posted 12th Jun 2017 at 17:19
blandy

Seasoned Pro

Location: Bucks

Registered: 25 Feb 2007

Posts: 2,437

Status: Offline

Post #7
Thanks sent today for checking
Posted 12th Jun 2017 at 18:23
Day666

Seasoned Pro

Location: Bristol

Registered: 20 Apr 2013

Posts: 5,213

Status: Offline

Post #8
blandy wrote:
Thanks sent today for checking


Good luck Thumbs up
Posted 12th Jun 2017 at 20:39

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