On Sunday, April 14, 2002 at 5:43:34 PM UTC-7, Dean Dardwin wrote:

Rick,

9-13 is correct per the service manual. I also own a '95 454 TBI and KNOW it's correct. You may have a bad TPS, CTS, IAC, EGR, leaking pressure regulator (in the TBI) but you don't have a fuel delivery problem.

Dean
Rick wrote:
According to my Mitchell on Demand, the pressure on the 7.4 L. which is
the 454, the pressure should be 26-32 psi. All other motors it's 9-13 psi.
George

Thanks for your response, but I still have a problem.

Locally I have heard the 10 lb number like the first responder through
a Chevy garage and Ihave seen the Mitchell number of 26-32. The pump
was replaced just before I bought the motor home (2 weeks ago). The
unit will not idle. If I apply throttle and keep my foot on the brake
I can keep it running at 12-1500 RPM. The fuel pressure is around 10
lbs.

Were there 2 pumps, 1 for 10lbs and 1 for 26? What is really correct
for this application?

Thanks

Rick

Incorrect. For both the 94 & 95 years the fuel pressure spec was 26-32 psi. I'm looking at the manual for both those years as I type. You likely have a chassis on an earlier year.

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