87 RC Failed Emissions

hkj · 07-28-2007, 02:29 PM

Here is the emissions report information maybe this will hepl you all narrow this down. Also when I start the truck it doesn't seem to fire up sharp and strong like I think it should. It's more like a lazy fire up but it does start after a pump or two of the pedal. The truck has 61, 700 mile origanal miles on it.

15MPH Test
HC ppm Limit 155 Reading 236 Fail
CO% Limit 1.31 Readind 2.74 Fail

25MPH Test
HC ppm Limit 1.51 Reading 219 Fail
CO% Limit 1.68 Reading 2.05 Fail

CAT-TECH · 01-17-2008, 06:38 PM

It sounds like either your carb settings are really jacked up, your timing reatarded itself or a burnt exhaust valve. Check your base timing.

07-28-2007, 02:29 PM	#1 (permalink)
hkj Junior Member Join Date: Jul 2007 Posts: 2	87 RC Failed Emissions Here is the emissions report information maybe this will hepl you all narrow this down. Also when I start the truck it doesn't seem to fire up sharp and strong like I think it should. It's more like a lazy fire up but it does start after a pump or two of the pedal. The truck has 61, 700 mile origanal miles on it. 15MPH Test HC ppm Limit 155 Reading 236 Fail CO% Limit 1.31 Readind 2.74 Fail 25MPH Test HC ppm Limit 1.51 Reading 219 Fail CO% Limit 1.68 Reading 2.05 Fail

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01-17-2008, 06:38 PM	#2 (permalink)
CAT-TECH Member Join Date: Jan 2008 Location: Cali Posts: 42	It sounds like either your carb settings are really jacked up, your timing reatarded itself or a burnt exhaust valve. Check your base timing.