RE: what causes intake backfires?

From: Bernd D. Ratsch (bernd@texas.net)
Date: Sat Jul 05 2003 - 20:12:35 EDT


97+ = 49.2 +/-5 (Normal is about 49-50psi)
96 and older varies from 40-45psi

- Bernd

-----Original Message-----
From: owner-dakota-truck@bent.twistedbits.net
[mailto:owner-dakota-truck@bent.twistedbits.net] On Behalf Of Jim Miller
WB5OXQ
Sent: Saturday, July 05, 2003 4:13 PM
To: dakota-truck@dakota-truck.net
Subject: Re: DML: what causes intake backfires?

I would get a fuel pressure guage and check the fuel pressure on the
fuel rail. I am not sure what is it supposed to be though. Probably
over 28 psi though. Someone that knows please respond. We have a fleet
of retired police Crown Vics and when the fuel filters stop up this is
what they will do. Idle ok and rev up slowly in neutral but in drive
they backfire or die down when you try to load up the engine. Of course
a bad vacuum leak can cause this also.
----- Original Message -----
From: <Pukeloser@aol.com>
To: <dakota-truck@dakota-truck.net>
Sent: Saturday, July 05, 2003 4:56 PM
Subject: Re: DML: what causes intake backfires?

>
> yep, engine idles good just has a prob when throttle is applied
>
>



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