1995 Jaguar XJ6 "hydrocarbons high" Questions

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my 91 305 willnot pass deq has high hydrocarbon level what can i do , does not seem to be as peppi at throttle response A high hydrocarbon level would most likely be caused by a fuel delivery problem ...

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High HYDROCARBONS on emissions test. I have took my 97 Cabrio to emissions test and failed due to High Hydrocarbons. but states the Catalytic converter is fine. what eles could cause high HC levels? ...

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how do I correct for hydrocarbon leak of 139 ppm left rear. 95 cutlass 3.o engine when you say leak are there cracks or damage to exhaust and are the hydrocarbon level high ? the 139 ppm is what you ...

my 88 buick limited wont pass smog hc is 169 at low idle changed map sensor and oil still wont pass but car runs fine. Are you burning oil? Does this car still have a catalytic converter? Have you ...

Question about Jaguar XJ6

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91 chev pk up high co2 at idle High co2 at idle retest could be a contaminated gas anilizer high co2 isnt a bad thing it means teh cat is working high CO is a failing cat whats the hydrocarbons at

High NOX is an indication that your Catalytic Converter needs to be replaced.The hydrocarbons or unburnt fuel are dealt with in the Cat as well.If you do a lot of short in town trips they tend to clog

...to this problem? high hydrocarbons indicates head gasket(1 or both) leaking , carbon monoxide is a worn out catylitic convertor which both could lead to the oxy sensor getting a false ...

79 gmc no cat wont pass smog hydrocarbons 2 high hydrocarbons and co keep fluctuating at idle Is the EGR leaking maybe? Is the idle speed motor working alright?

Question about Jaguar XJ6

2 Answers

...high The first place would look assuming you have already changed antifreeze and replaced radiator cap is the fan clutch, try moving the fan when the motor is cool does it move freely? if yes then ...

...smog because of high hydrocarbons at 25 mph at 15 mph it was fine and everything else passed hc's are unburned fuel- I would change my sparkplugs and resmog it if that is the only gas that was ...

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