Re: Off topic, Chevy truck help!

Posted by Allan in NE on January 20, 2005 at 14:15:18 from (148.63.132.164):

In Reply to: Off topic, Chevy truck help! posted by knauffj on January 20, 2005 at 12:21:32:

Hi Guy,

Let's go back to square one.

When you turn the key to the "on" position, the fuel pump will run for 10 seconds and then it will shut off unless the truck is running. If the truck is running, oil pressure tells the ECM via a special sensor to keep the fuel pump activated.

When you had the heads off, did you remember to plug that oil pressure sensor back in? It is the one laying horizontal off to the driver's side behind the distributor.

Now, about this flooding. Are you sure that the truck is flooding? What is your fuel pressure? As someone else stated, you may have a bad regulator, but if that is so, you should see a fuel pressure reading of about 90 lbs or so.

Those injectors are controlled by the ECM, are stepped on/off and very seldom stick "on". Also, injector pulse must first clear ignition pulse.

I dunno, it just sounds to me like you have some wiring problems going on beind the engine at the firewall.

Allan

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• Re: Off topic, Chevy truck help! Mark - IN. 16:31:48 01/20/05 (0)

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