Question about 1998 Dodge Ram 1500 4WD

3 Answers

To much oil was put in truck and now were told

To much oil was put in truck and now were told the catalitic converter is clogged. Truck gets NO power now. how to find out whats wrong or how to repair th convertor, or just HOW TO REPAIR?

Posted by on


3 Answers

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.


    An expert whose answer got voted for 500 times.

  • Master
  • 1,050 Answers

It's debatable whether the oil caused the plugged cat, doesn't matter at this point. If you have doubts about the plugged cat diagnosis, you could remove the O2 sensor and drive it to see if this helps. With O2 sensor out, it will be noisy as heck, but it will relieve enough back pressure to give you more power and confirm the problem. Cats are expensive and a pain to change, I would go around to a few muffler shops and get quotes. Go with the guy who seems to have the best price/warranty/service...etc.

Posted on Mar 11, 2009

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 5 achievements.


    An expert whose answer got voted for 20 times.


    An expert who has answered 20 questions.

  • Expert
  • 36 Answers

To diagnos the catalytic converter, remove exhaust Y pipe from exhaust manifolds and start up. If engine runs goood and revs up, then suspect a restriction in your exhaust. Exhaust shop should be able to fix the problem. Cannot repair the cat converter. It is a honeycomb of metals inside that superheat the exhaust and burn off any unburnt fuel. When the honeycomb melts from contamination then it blocks exhaust air flow.

Posted on Mar 11, 2009

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert that got 5 achievements.

    Vice President:

    An expert whose answer got voted for 100 times.


    An expert that has over 500 points.

  • Expert
  • 149 Answers

The converter cannot be repaired only replaced. Shop around at different auto parts stores, then check local muffler shops to find your best deal.

Posted on Mar 11, 2009

1 Suggested Answer

  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

a 6ya Mechanic can help you resolve that issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repair professionals here in the US.
click here to Talk to a Mechanic (only for users in the US for now) and get all the help you need.

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

1992 mercury grand marquis how do i know if i have a blown head

If the head gasket is blown you will have either oil in the antifreeze,antifreeze in the oil or white steam out the exhaust and your antifreeze level will be low all the time.sounds like you may have a clogged catalitic converter to me.

Mar 20, 2013 | 1992 Mercury Grand Marquis

1 Answer

Ok my 90 olds calais has an issue.i had a loss of power and then the catalytic converter clogged up. i hacked the converter off but the car still runs really rough and doesnt have much power and i can...

You need to put back converter. The car needs it for its resistans. No converter makes presure go down in the detonation chambers.So due the loss of power, engine consumption is increased, to compensate that. Some cars wont ewen start without catalitic converter.

Dec 23, 2010 | 1990 Oldsmobile Cutlass Calais

1 Answer

My check engine light keeps blinking and my truck keeps loseing power and dieing also burning alot of fuel and smells like fuel bad

Have the catalitic converters checked. Also see what codes you have and get a description. I can help.

Dec 02, 2010 | 2005 Ford F-150

1 Answer

The problem im having with the 93 rodeo is loss of power and it seems to be wasting lots of gas. ill start the truck up and after a few minutes i put into gear and apply brake then accelerate but the truck...

Check the catalitic converter.if you start it and the cat gets red hot after several minutes it is clogged. also start it and see if ti has any pressure coming out of the exhaust pipe. there should be plenty

Jun 22, 2010 | 1993 Isuzu Rodeo

1 Answer

2002 F150 Temp reads hot and loss of power. The truck is not running hot when temp gauge reads hot and when I shut off truck and restart the gauge goes to normal for about a mile then back to hot. It...

You could try another oil pressure sensor or test the oil pressure with a gauge at the sensor port. If you think about it, the truck goes into a failsafe mode when there is a problem. You could go into failsafe with high temperatures too. The water temp sensor could be bad but with the oil light coming on, the oil sensor should be your first choice.

You can get a free scan at Autozone or Oreillys and it may show the problem. Sometimes it takes a better scan with dealership type diagnostics because the self-diagnostics on your truck is limited.

Failsafe mode would cause the power loss because the truck is designed to kill cylinders and to use the dead cylinders as hot exhaust pumps to cool the block.

Jan 11, 2010 | 2002 Ford F150 Regular Cab

1 Answer

I need a timing digram for a 1995 isuzu rodeo. i was told that the timing is off causing loss of power and poor fuel mixture

i need to know some things first.. you may not need the timming diagram. does your vehicle go still shift when you drive and does it go up hills at normal rate of speed or does it loos power and only go about 30 to 40 MPH. if this is what is happening than you need to check the catalitic convertor it may be clogged. my 94 suburban did this same thing and i replace hundreds of dollars worth of parts on it and nothing worked and this is what my problem was. you need to take the catalitic converter off or loos at the front of the engine and find out if this helps or fixes the problem.
please let me know

Aug 19, 2009 | 1995 Isuzu Rodeo

5 Answers

Nizzan 02 Black smoke coming out tailpipe and consumption of oil

Black smoke is caused by excess fuel that has entered the cylinder area and cannot be burned completely. Poor fuel mileage is also a common complaint when black smoke comes out of the tailpipe. Black smoke out the tailpipe is the least cause for alarm. Excess fuel will usually effect engine performance, reduce fuel economy, and produce a fuel odor. Some of the causes of excess fuel are a carburetor that is out of adjustment, a faulty fuel pump, a leaky fuel injector, or a faulty engine computer or computer sensor. If black smoke is present, check the engine oil to make sure excess fuel has not contaminated it. Do not start the engine if a heavy, raw fuel smell can be detected in the engine oil.

Aug 13, 2009 | 2002 Nissan Altima

2 Answers

Loss of power on acelaration

There's a lot on any car that can cause loss in power.
A few of them are:
Mass air Flow sensor
Bad O2 sensors
Old oil or sludged oil
Bad Gas
Clogged catalytic converter
Loss of cylinder pressure or compression

I would start with the cheapest tests/fixes first
oil: if you haven't already and don't know the condition of your oil, change it. If your oil has sludge in it then you could have a leacking head gasket.

Next up, If your gas is bad fill the tank about half way and use lucus oil octane booster, and for a second half a tank pour in some seafoam engine cleaner. It will clean your fueling system, injectors, and pistons/chambers.

If those too don't help: get a compression test on the cylinders. Not expensive to have done, but could be expensive to fix if there is something wrong or the compression is leaking.

Next, go to a muffler shop and have your catalytic converter checked. A clogged or bad Catalytic converter may trap exhaust and keep it from exiting your exhaust system.
While your there you can have your O2 sensors checked.

If all of that is fine, replace the O2 sensors and the Mass air flow sensor. These components control the air fuel ratio. If they are going out your engine won't ever get the right amounts of gas and air to run properly.

It's a lot, but my general rule of thumb for trouble shooting any issue with a car is to start with the cheapest fix and work your way up.

Jun 03, 2009 | Hyundai Motor 2002 Sonata

1 Answer

87 s-10 2.5

Check your catalitic converter. No promises, but maybe.

Mar 22, 2009 | 1987 Chevrolet S-10 Pickup

2 Answers

1992 Chevy S-10 V6 2.8L (Feels Like a rope atached to my bumper)

HAVE YOU REPLACED FUEL FILTER? if not this needs to be done regardless. but if it is clogged it will cause truck to lose powwer also could be convertor stopped up

Oct 27, 2008 | 1992 Chevrolet S-10

Not finding what you are looking for?
Cars & Trucks Logo

193 people viewed this question

Ask a Question

Usually answered in minutes!

Top Dodge Experts


Level 3 Expert

77544 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22306 Answers

Ronny Bennett Sr.
Ronny Bennett Sr.

Level 3 Expert

6927 Answers

Are you a Dodge Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides