I have a motor home with a Chevy 454 1988 engine in it. When you try to put a load on it will misfire and backfire at about any speed. fuel pumps and filters have been replaced.
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I have a motor home with a Chevy 454 1988 engine in it. When you try to put a load on it will misfire and backfire at about any speed. fuel pumps and filters have been replaced.
Thank you for contacting ExpertHelp LLC. My name is Ramy and I am here to help you. Please wait while I prepare my answer for you. I might need to ask you additional information so I could provide you the steps that will resolve this issue. Appreciate your patience.
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Hi,
Thank you for choosing ExpertHelp LLC. Have you tried checking the spark plugs and the plug wires replace? This can also cause the misfire on your engine. Tell me if this helps.
Regards,
Ramy De Jesus
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Hi,
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Regards,
Ramy De Jesus
Kevin
Auto Mechanic
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