Question about 2003 Ford Escape

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I have a 2002 ford escape running rough, cylinder 4,6 and 3 has weak spark to much fuel,the catalytic convertor turning cherry red in the front changed everything on it,coils,spark plugs,injectors,front catalytic convertor and idler air control motor. you can smell the fuel coming from the exhaust. and changed intake gasket upper and lower.

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Check engine light on? fuel regulator replaced?

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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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1992 toyota truck running rough

Could be the injectors. You would need to figure out which cylinder is weak, and then why. Have you replaced the fuel filter in the past 12 months ?

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time to get a new converter been down that road before

Sep 18, 2012 | 2004 Ford Escape

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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

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Exhaust coming from Middle catalytic convertor...small stream...losing power...3 cylinders misfiring...check engine light blinking

The catalytic converter is DEFINETELY blocked causing all of the above, take caution that permanent damage does not occur from extreme heat that can be generated.Hope this helps, unfortunately cats are not cheap

Jan 20, 2011 | 2002 Ford Escape

1 Answer


2 things to check on these would be the fuel filter and the catalytic convertor. if either are plugged up, it will not accelerate very well. if the catalytic convertor is plugged up it can do internal engine damage. if after running it for about 15 minutes look underneath the vehicle and if any part of the exhaust is cherry red, replace it.

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It is possible that the wire may have been damaged and is arcing. Check the wire, may also be the plug. If that doesnt solve the issue it could be the ignition coil.

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Have someone do a back pressure test on you catalytic converter. I had the same problem and it turned out that my converter was almost completely plugged. I was also getting a check engine light indicating a misfire on cylinder 4. Once the converter was replaced, the problems went away.

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generally, when the engine is washed, water gets trapped behind the spark unit and stays there, creating a shorting path for spark plug current. best to dis-mount the spark unit (follow plug wires back to source) and dry and clean it thoroughly.

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