high hydrocarbon readings on a vehicle emmisions test
#1
04-19-03, 02:08 PM
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high hydrocarbon readings on a vehicle emmisions test
I HAVE A 1990 E150 FORD VAN WITH A 302 MOTOR. FAILED EMMISIONS TEST DUE TO HYDROCARBONS. WHAT COULD BE A CAUSE OF THIS PROBLEM.
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#3
04-19-03, 04:58 PM
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Davo is 100% correct. When was the last time this thing saw a tuneup?
#4
04-19-03, 08:06 PM
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Re: high hydrocarbon readings on a vehicle emmisions test
Originally posted by wcombs
I HAVE A 1990 E150 FORD VAN WITH A 302 MOTOR. FAILED EMMISIONS TEST DUE TO HYDROCARBONS. WHAT COULD BE A CAUSE OF THIS PROBLEM.
I HAVE A 1990 E150 FORD VAN WITH A 302 MOTOR. FAILED EMMISIONS TEST DUE TO HYDROCARBONS. WHAT COULD BE A CAUSE OF THIS PROBLEM.
#5
04-19-03, 08:37 PM
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As requested by Davo, the test results for all three gases were?
Kill the caps, no need to shout.
Kill the caps, no need to shout.
#6
04-22-03, 06:50 PM
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Originally posted by Joe_F
As requested by Davo, the test results for all three gases were?
Kill the caps, no need to shout.
As requested by Davo, the test results for all three gases were?
Kill the caps, no need to shout.
Here are the gas readings from the last test.
HC= 704562 GPM
CO= 66.2590 GPM
NOx= 0.8337 GPM
CO2= 421.5948 GPM
Hope this will help. Sorry about the delay with the reply been working late.
Last edited by wcombs; 04-22-03 at 07:14 PM.
#7
04-23-03, 03:49 AM
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Ever change the O2 sensor? How about the coolant temp?
Mileage?
Mileage?
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