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85 silverado 454

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paul1971
 
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Default 85 silverado 454 - 06-12-2008 , 11:22 PM






have a new air filter fuel pump fuel filter and when the engine gets
warm and if I am going up hill the engine has little or no power even
with the pedal to the floor..it doesnr rev high just like as if no
gas. This doesnt happen in the winter??

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Thread archive: http://www.AutoBoardz.com/85-silverado-454-ftopict247551.html

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klutz
 
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Default Re: 85 silverado 454 - 06-14-2008 , 08:52 PM







"paul1971" <none (AT) 000 (DOT) com> wrote

Quote:
have a new air filter fuel pump fuel filter and when the engine gets
warm and if I am going up hill the engine has little or no power even
with the pedal to the floor..it doesnr rev high just like as if no
gas. This doesnt happen in the winter??

--
Posted at author's request, using moderated http://www.AutoBoardz.com
interface
Thread archive:
http://www.AutoBoardz.com/85-silverado-454-ftopict247551.html
Could be a plugged catalytic converter. I encountered that same symptom
with a 1981 Suburban 1/2 ton 454.




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GKShadow
 
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Default Re: 85 silverado 454 - 08-09-2008 , 02:50 PM




"klutz" <smithson (AT) cari (DOT) net> wrote

Quote:
"paul1971" <none (AT) 000 (DOT) com> wrote in message
news:1203848_1dc88e054bc7ddd91cf307ad348c80f7 (AT) autoboardz (DOT) com...
have a new air filter fuel pump fuel filter and when the engine gets
warm and if I am going up hill the engine has little or no power even
with the pedal to the floor..it doesnr rev high just like as if no
gas. This doesnt happen in the winter??

--
Posted at author's request, using moderated http://www.AutoBoardz.com
interface
Thread archive:
http://www.AutoBoardz.com/85-silverado-454-ftopict247551.html

Could be a plugged catalytic converter. I encountered that same symptom
with a 1981 Suburban 1/2 ton 454.
Same thing with my 79 Van. Catalytic Converter.



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