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#1
04-25-2006, 10:51 AM
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92 voyager emmisions problem?
i have a 92 voyager with 3.0 motor, two wheel drive auto trans, problem i have is high hydro carbons that is failing emmisions. no engine codes in computer, i have replaced idle speed motor, throttle position sensor, fuel filter, plugs wires cap rotor timed the motor and also ran seafoem through throttle body, added lucus injector cleaner and am now at a loss. no rotten egg smell in exhoust so i do believe cat is ok. only problem can tell is little rough idling! gas milage is good, acceleration is good. van has 136000 miles on it. any ideas it is boggling me!!
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#3
04-25-2006, 03:40 PM
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Re: 92 voyager emmisions problem?
Do you also have high NOX? High nox would be an indication that the EGR system isn't working. It also does also cause high(er) hydrocarbons and rougher idling.
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#4
04-25-2006, 10:10 PM
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Re: 92 voyager emmisions problem?
A high HC failure only indicates a bad catalytic converter. Pull the old one and take a look.
__________________
"This car may be old, but it will still climb Kirker Pass at 110!" 1962 Chrysler 300 2-door hardtop/1964 Chrysler 300-K convertible/1964 Chrysler Newport 4-door sedan/1964 Chrysler 300-K hardtop with Firepower 390/2x1964 Chrysler 300-K hardtop/1964 Chrysler 300 convertible/1964 Chrysler "Silver 300-K" with factory 4-speed/1964 Chrysler New Yorker Salon/1980 Dodge D-50 Sport/1986 Lincoln Continental/1989 Honda Accord DX/1989 Lincoln Mark VII BB/1991 Dodge Shadow ES convertible
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#6
04-26-2006, 01:00 AM
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Re: 92 voyager emmisions problem?
Read through this. Gives you an idea of what to look at for hydrocarbon failures. http://www.advanceautoparts.com/engl...0040701s2.html
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