Mar 18, 2007 · I failed my local emissions test on my 1995 Ford F150 V8 302. HC, CO were way under the standard but the NOX was in the 1800 range (1500 is standard).... I had the catalytic converter replaced 2 years ago so I do not think that's the problem... (along with a new O2)....

Jun 30, 2012 · High HC is high hydrocarbons, which is almost always a too-rich mixture. If your engine is stuck in a "cold" mode, that would do it. As to your cat, your CO number are a bit high, but you pass.

May 25, 2024 · Fits: 1986-1993 Ford Bronco, 1987-1991 Ford Country Squ. Have You Fixed the Problem that Caused your OEM Converter to Fail?. Catalytic Converters are designed to last the life of your vehicle – they do not fail on their own.

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Apr 4, 2019 · Here are the power specification and information on all six engines. This is a naturally-aspirated dual fuel injection engine that serves duty as the base engine for the 2019 Ford F-150 half-ton...

non carb compliant means that it had to meet no testing requirements before being sold. if the engine is running nice and smooth and your unable to achieve greater than 14.5% co2 then the catalyst is not functioning to its full ability and youll get remaining hc.

For years, the Ford F-150 Raptor was the only truly hardcore off-road pickup truck you could buy — that is, until the Ram 1500 TRX came along with a fire-bre... For years, the Ford F-150 Raptor ...