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Old 07-17-2015, 09:48 AM   #1
Junior Member
Join Date: Apr 2013
Location: Salem, AL
Posts: 5
Engine has no Power

I have an 1991 Pace Arrow 35 ft. it has a Ford 460 engine. I have replaced the Fuel Pump/filter, Plugs and wires, Distributor cap and rotor, Checked Timing, Clean All injectors ( Fuel Rail Pressure (~45-48 PSI). When at the idle runs Great. AS soon as I put the engine under Load (in Drive) or (in N) it shuts down. Could it be the clogged CAT or Exhaust Pipe... Or what Am I missing Here.

Thanks in Advance

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Old 07-17-2015, 09:54 AM   #2
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Join Date: Apr 2011
Location: Powell River, B.C.
Posts: 15,606
A belated ; Welcome to iRV2.

Plugged exhaust is a possibility, can you stand near the tailpipe while someone revs the engine in neutral to see if there is good flow of exhaust through the pipe ?
Or drop the , exhaust off the manifold ( if the bolts aren't totally rusted) for a quick test?

99DSDP 3884, Freightliner, XC, CAT 3126B, 300 HP /ALLISON 3060
2000 Caravan toad, Remco & Blue Ox.
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Old 07-17-2015, 10:01 AM   #3
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Location: Salem, AL
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Yes, Have tried, It feels the Same as if at Idle but with a little more flow .... I guess I am Dropping an Exhaust system.
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Old 07-17-2015, 10:19 AM   #4
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Workhorse Chassis Owner
Join Date: Aug 2002
Location: Clovis, CA, USA
Posts: 6,500
Have an IR gun? I learned of IR guns at a muffler shop, saw the mechanic shooting the exhaust system.

Asked what he was doing...."looking for blockages...the pipes will be cooler downline from the blockage." he replied.

Have used one ever since on my tires, etc.
2004 Monaco La Palma 36DBD, W22, 8.1, 7.1 MPG
2000 LEXUS RX300 FWD 22MPG 4020 LBS

Don't know where I'm going, spose I'll get there anyway.
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Old 07-17-2015, 10:32 AM   #5
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Location: Salem, AL
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MMMMM IR Gun. And I have one I use for the House to look for Heat/cold air loss. Did not even Think of using the IR Gun for that.
Awsome.. Thanks
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engine, power

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