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My catalyic converter is cherry red - 1997 Ford Explorer AWD

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  • yadayada
    yadayada Aug 20, 2010

    DO U HAVE A CHECK ENGINE LIGHT ON??

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The catalytic converter is the hotest component on a vehicle during operation. I have seen them hot enouigh to glow at night but that was after some hard runs/racing. However, if the vehicle is driven regularly it should not get hot enough to glow. Possible cause would be running to rich "they are designed to burn off excessive fuel"
Please vote if this helps

Posted on Aug 20, 2010

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Catalytic converter turns red hot on my 2002 ford escape


The cherry red is probably due to raw gasoline being burned in the converter. Since the engine isn't running right (and I'm surprised you didn't say the Check Engine light was on), there seems to be some kind of valve timing issue or perhaps a burnt valve that is causing at least one cylinder to not fire and thus expel the fuel/air mixture into the exhaust stream. This can be confirmed with a compression check of the cylinders. If they are all low, then there is a problem with valve timing, possible a jumped belt/chain. If only one cylinder is low, then a burnt or broken valve is more likely.

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My car just cut off,when try to restart it spits back thru breather ,runs a little but willnot accelerate,also when it does finally start,cataylic converter gets cherry red


the cherry red catalytic converter is the sign of a complete blocked cat and needs immediately replacement. The starting problems you have are due to this situation. Change the cat and you will see improvement.

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Why does my exhaust turn cherry red and over heat on my oldsmobile alero 2001


usually lean mixture can cause this ,,, either air leak or fuel starvation

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I have injector pulse.switched coils .still miss fire on 2/4/6/ converter is cherry red.


If the catalytic converter is cherry red there are only a few things that will cause this, extreme over-fueling causing excess unburned fuel to enter the exhaust and overheat the catalytic converter. You will need which cylinder(s) is misfiring, you can ID the problem cylinder by checking the diagnostic OBD2 fault codes, you will have a P03XX in memory, with the XX's being the cylinder number that is misfiring. The possibilities are this, you have an injector that is stuck open or a low cylinder compression issue or a very lean condition that keeps the fuel from burning like a big vacuum leak. Also address any other fault codes found in the OBD2 fault code testing. DO NOT CONTINUE TO RUN THE ENGINE TO THE POINT THE CATAYLUTIC CONVERTER TURNS CHERRY RED! YOU WILL RUIN A VERY EXPENSIVE PART IF YOY HAVEN'T ALREADY

Dec 12, 2011 | 2001 Oldsmobile Aurora

1 Answer

I changeall plugs wires and egr but problem still there popping and catala converter gets cherry red van 1996 dodge grand caravan with 190000 miles


catalyic converter could be shot which is a reason you would hear a popping an it would appear as an egr trouble code on a scanner

Feb 08, 2011 | Dodge Caravan Cars & Trucks

1 Answer

I have a Audi A4 1997. It will not shift past 20mph after it warms up. There is something that looks like a muffler under the hood to the left, that is getting cherry red. Could it be some kind of exhaust...


You hit the nail on the head! The cherry red thing would be your converter. Sounds like your converter is plugged the question is why. You have a 97 car so it would not be too uncommon that the converter simply broke apart inside which is causing the restriction, Or is something wrong with the furl management system that caused the engine to run rich and melt the inside of the converter. It sounds like your going to have to replace the converter and have the fuel system checked. There may be noting wrong with it but a converter usually is not cheap and better to be safe then sorry. Good luck!

Aug 27, 2010 | 1997 Audi A4

1 Answer

My 2000 exterra started running like there was watter in the fuel iput isoprople alcahal in ranit five miles it cleared up ran fine for a day the runabilty problem came back and it died on the way home...


If the pipe got cherry red while trying to start, it was because of unburnt fuel entering the catalytic converter, most likely. Check for signs of plug fouling and injectors hanging open. You're likely flooding your engine due to dirt accumulation in an injector.

Dec 27, 2009 | 2000 Nissan Xterra

1 Answer

Needs new catalyic converter. how much will this


hi there 3 options available mid range is 87usd from autoparts its the eastern model hope this helps if so please rate this answer thanks

Nov 23, 2009 | 2005 Chevrolet Equinox

1 Answer

Transmission or catalytic converter


sound lik a tranny problem. catalyic convertor reduced speed and they wud b red hot if they the problem check it out. wen it do it again just lok under da car.

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1 Answer

Trac light on no power at acceleration


you might need a new catalyic converter
if not i would suggest that you get your sensor checked
these can be a problem the sensor thinks the wheel is slipping and cuts the torque and power down this could be what is happening
also could because of airflow control with the catalyic converter

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