How JustAnswer Works:

  • Ask an Expert
    Experts are full of valuable knowledge and are ready to help with any question. Credentials confirmed by a Fortune 500 verification firm.
  • Get a Professional Answer
    Via email, text message, or notification as you wait on our site.
    Ask follow up questions if you need to.
  • 100% Satisfaction Guarantee
    Rate the answer you receive.

Ask john -aka eauto Your Own Question

john -aka eauto
john -aka eauto, The Car Guy
Category: Ford
Satisfied Customers: 12942
Experience:  ase tech over 15 years in the field
Type Your Ford Question Here...
john -aka eauto is online now
A new question is answered every 9 seconds

2002 Ford Escape: my catalytic converter was plugged..disconnected

Customer Question

My 2002 Ford Escape would not run, it was found that my catalytic converter was plugged. It was replaced and three weeks later same thing happened. The third catalytic converter was disconnected to check the other two and they seem okay. What do you think is clogging the third catalytic converter? The gas filter was changed which helped, but it still isn't right. Any suggestions?
Submitted: 4 years ago.
Category: Ford
Expert:  john -aka eauto replied 4 years ago.
HiCustomer Thank you for asking your question on JustAnswer. The other Experts and I are working on your answer. By the way, it would help us to know:


-How many miles are on your Ford?
-is the check engine light on?
-What have you already tried?

Thank you again for trusting us with your problem. Please reply as soon as possible so that we can finish answering your question.
Customer: replied 4 years ago.

it has 165000 km on it

no, there are no lights on

at the beginning the catalytic converter was changed, that worked for three/four weeks, then the same thing happened again, it wouldn't accelerate, it was found that the catalytic converter was clogged again and had to be changed. They disconnected this catalytic converter to check the other two and they worked okay. They also changed the gas filter, which helped but hasn't solved the problem.

Expert:  john -aka eauto replied 4 years ago.
If the truck is running rich or missfiring it will destroy a converter so i would verify that it is running good first. Also if one of the converters ahead of it is breaking up internally it will blow chunks back to the next converter in line causing a obstruction.
Customer: replied 4 years ago.

it is running good, there is no missfiring

How can the coverters ahead be checked if they are breaking up internally?

Expert:  john -aka eauto replied 4 years ago.
easisest way is to tap them with the palm of your hand when they are cold and listen for a rattle. If it rattles its melting down. The other way is with a exhaust back pressure tetster
Customer: replied 4 years ago.

they did disconnect the third converter and the other two seemed alright, would this be a way of checking them?

If it isn't the other two catalytic converters, what else could it be?

Expert:  john -aka eauto replied 4 years ago.
the proper way is with a back pressure tester it reads back pressure on a gauge
Customer: replied 4 years ago.
if the other two were melting down, would I be able to hear the rattle when the engine was started first thing in the morning?
Expert:  john -aka eauto replied 4 years ago.
Not always sometimes you can hear them sometimes you do not.
Customer: replied 4 years ago.
hoping it isn't the other catalytic converters, what else could clog the third converter?
Expert:  john -aka eauto replied 4 years ago.
not much else unless its running rich or a junk universal non ford converter
Customer: replied 4 years ago.

the replacement converter was NOT a ford converter, could it just be a bad replacement?

if it's the other converters, could it just be one of the two or does it have to be both?

the reason I asked about hearing the rattle when the engine was started cold, is because I had it in the day before complaining about a rattle that started after I had the new converter put on.

Expert:  john -aka eauto replied 4 years ago.
a rattle is a sign of converetr melt down some aftermarket converters are poor quality
john -aka eauto, The Car Guy
Category: Ford
Satisfied Customers: 12942
Experience: ase tech over 15 years in the field
john -aka eauto and 12 other Ford Specialists are ready to help you
Customer: replied 4 years ago.

so do you suggest just replacing the third converter, as well as doing the palm of the hand check and/or exhaust back pressure test on the other two converters?

 

Customer: replied 4 years ago.
Thanks John
Expert:  john -aka eauto replied 4 years ago.
your welcome

JustAnswer in the News:

 
 
 
Ask-a-doc Web sites: If you've got a quick question, you can try to get an answer from sites that say they have various specialists on hand to give quick answers... Justanswer.com.
JustAnswer.com...has seen a spike since October in legal questions from readers about layoffs, unemployment and severance.
Web sites like justanswer.com/legal
...leave nothing to chance.
Traffic on JustAnswer rose 14 percent...and had nearly 400,000 page views in 30 days...inquiries related to stress, high blood pressure, drinking and heart pain jumped 33 percent.
Tory Johnson, GMA Workplace Contributor, discusses work-from-home jobs, such as JustAnswer in which verified Experts answer people’s questions.
I will tell you that...the things you have to go through to be an Expert are quite rigorous.
 
 
 

What Customers are Saying:

 
 
 
  • AlvinC answered a question about my Ford truck that only someone with an in-depth knowledge of his subject would have known what was going on. Rich D USA
< Last | Next >
  • AlvinC answered a question about my Ford truck that only someone with an in-depth knowledge of his subject would have known what was going on. Rich D USA
  • Because of your expertise, you armed me with enough ammunition to win the battle with the dealer. They are installing a fuel filter and fuel pump at no charge to me. Molly USA
  • I needed help with my car on Saturday morning....got a response in 5 minutes, and it was the perfect solution. Thanks again to your service. Jason V. Kirkland, WA
  • I do know, after going though this with JustAnswer, that I can somewhat trust my mechanic but I will always contact you prior to going there. BR New Jersey
  • I would (and have) recommend your site to others I was quite satisfied with the quality of the information received, the professional with whom I interacted, and the quick response time. Thanks, and be sure that I'll be back whenever I need a question answered in a hurry. Stephanie P Elm City, NC
  • used your service this weekend with "Trecers" help. thank you ,thank you, thank you. replaced an A/C fan motor. Local Auto Zone had part. $15.00 "tracer" fee and $40.00 for parts, I saved several hundreds of dollers at a shop. i will recommend you and use you in the future. David L. Richmond, TX
  • 9 dollars, 2 hours of my time, and I drove away. Your diagnosis was right on the mark. Thank you so much. Phil Marysville, CA
 
 
 

Meet The Experts:

 
 
 
  • Ron

    ASE Certified Technician

    Satisfied Customers:

    20942
    23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
< Last | Next >
  • http://ww2.justanswer.com/uploads/FO/fordguy4u/2011-12-17_222940_HPIM1257.64x64.JPG Ron's Avatar

    Ron

    ASE Certified Technician

    Satisfied Customers:

    20942
    23 years with Ford specializing in drivability and electrical and AC. Ford certs and ASE Certs
  • http://ww2.justanswer.com/uploads/MU/muddyford/2012-6-13_1204_1.64x64.png Chris (aka- Moose)'s Avatar

    Chris (aka- Moose)

    Ford Technician

    Satisfied Customers:

    22382
    16 years experience with Ford.
  • http://ww2.justanswer.com/uploads/JM/jmcdo28/2012-2-23_01655_resized.64x64.jpg John Mc's Avatar

    John Mc

    Ford Technician

    Satisfied Customers:

    5493
    19 years Ford Lincoln Mercury experience
  • http://ww2.justanswer.com/uploads/wmarti7/2009-4-18_04332_Avatar.jpg Chuck's Avatar

    Chuck

    ASE Certified Technician

    Satisfied Customers:

    1684
    33 Years Experience,Ford Senior Master,ASE Master,L1 Advanced Engine Performance
  • http://ww2.justanswer.com/uploads/CR/crzydrvr00/2013-11-3_12123_246347.64x64.jpg Richard's Avatar

    Richard

    ASE Certified Technician

    Satisfied Customers:

    1518
    12 years at a Ford Lincoln/Mercury and Jaguar dealer as a technician and shop foreman.
  • http://ww2.justanswer.com/uploads/BA/baddad1/2014-4-1_23659_avatar.64x64.jpg Mike V.'s Avatar

    Mike V.

    Auto Service Technician

    Satisfied Customers:

    789
    25 years experience on all makes and models, Licensed NYS Inspector.
  • http://ww2.justanswer.com/uploads/lostrider/2009-9-26_23144_php4VNWAA_c1PM1.jpg lostrider's Avatar

    lostrider

    Ford Technician

    Satisfied Customers:

    2940
    ASE Master Technician, Ford Senior Master Technician,Diesel certified, ASE Master, 22 yrs FORD exp.