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Old 08-07-2016, 09:15 PM   #1
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Smile Workhorse 8100 2003 power loss without fault codes

8100 Workhorse in 2003 Itasca Suncruiser with Banks Power pack since 52000 miles. Now 60000+. Experiencing dramatic power loss up hills towing auto. Slows and shifts down,then after full throttle for 30+ seconds suddenly accelerates. Can't find any fault codes on computer DTC's. Any experiences?

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Old 08-07-2016, 09:23 PM   #2
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Fuel pump or fuel filter? Just a shot in the dark.

Try posting this in the Workhorse forum too.

2004 Fleetwood Southwind 32VS W20
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Old 08-07-2016, 09:26 PM   #3
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Fuel delivery's where I'd be looking.
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Old 08-08-2016, 10:14 PM   #4
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If the Banks Power Pack is a modifier to your engine ECM... they disconnecting the Banks System and re-testing.. part of what some of the banks modification is to send erroneous information to the engine ECM to hide what the Banks System is doing... so you might have a code but the Banks System is covering that up and the engine ECM might not see it...
Retired Business Owner, Re-manufacturing HD Clutches, Brake Shoes, Air Compressors, Sales & Installation of PacBrake and other Industrial Friction
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power, workhorse

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