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04 ford Escape v6 was slightly wrecked. Insurance cover most but not exhaust.fix everything but that. said all three catalyst converters was bad. (Wats the odds??) I'm replacing the front 1 for sure but could a bad cat cause the truck go no higher then 4000 rpm and has no power???after cat converter replace, where else to look?

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6ya6ya
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Posted on Jan 02, 2017

  • 119 Answers

SOURCE: Engine Light came on, Lost power

Only way to tell what is wrong is to have the computer scanned to read what code is stored in the Engine Control Module (ECM).
Any of the large parts stores, eg. Advance Auto, Autozone, Pep Boys, etc. should be able to scan it for free.

Posted on Sep 06, 2008

SOURCE: 2003 escape idling to high, exhaust pipes turning orange red, not cataylic

Your escape is a 3.0L duratec motor. Is the motor itself overheating or just the pipes? The high idle is often related to a dirty Idle Air Control module or IAC, which is located on the top of the motor near the throttle body. If you clean this, or replace it, after a few days the high idle is often times solved.

Posted on Sep 30, 2008

csmock132
  • 4669 Answers

SOURCE: Catalytic converter shot

3 front coils? Ignition coils? If the engine had a miss for a long time the excess fuel can ruin a catalytic converter.

Posted on May 12, 2009

  • 20 Answers

SOURCE: Troubleshooting PO420 OEM Brand

I work at an auto parts store, and i can tell u that it will be the oxygen sensors that is the problem.

Posted on Sep 03, 2009

teemossinmia
  • 265 Answers

SOURCE: engine lost power on a 2004 ford escape and then

Yes this could be the problem, because you are having backpressure, which is usually the cat, or worst case scenario, you may have a bent or stuck exhaust valve...But what you can do, is disonnect the cat., or the exhaust, and let it run...Now its going to be loud, but if you dont have that back pressure then you know its just the cat., but if you still have it, then you know it maybe a bent or stuck exhaust valve....

Posted on Jan 19, 2010

Testimonial: "Thank you very much for your hasty response. I will disconnect the exhaust and run it. Let's hope this will prove to be a faulty cat conv. "

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Hi I have 04 ford escape v6 side engine 4 sensors need to b replace and don't remember which sensor goes where Please help! Parts I have is 4046upstream 4045Upstream 4609 x2 downstream.


You need to take the parts back and have them I.D.ed, we have no way to look up the numbers. The chances that all four exhaust gas sensors are bad is so remote, what lead to this conclusion?

May 27, 2016 | 2004 Ford Escape

2 Answers

P0420 fault not going away


covers other aspects as well.

P0420 Chevrolet - Catalyst System Low Efficiency Bank 1 Repair Importance Level: 2/3 Repair Difficulty Level: 2/3 alt="What does this mean?"> alt="PDF"> alt="Share Code"> 3 alt="P0420 Chevrolet Comments"> ' Add Comment alt="Close Selection"> http://engine-codes.com/p0420_chevrolet.html Forum Code Possible causes - Three way catalyst converter Bank 1
- Exhaust tube
- Intake air leaks
- Fuel injectors may be faulty
- Fuel injector leaks
- Spark plugs may be faulty
- Improper ignition timing
- Powertrain Control Module (PCM)
alt="What does this mean?"> What does this mean? Tech notes As the code description implies the P0420 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0420 code is combined with other codes, try fixing the other codes first.
alt="What does this mean?"> What does this mean? When is the code detected? If a condition exists which causes the Powertrain Control Module (PCM) to detect excessive Bank 1 HO2S #2 activity outside of an acceptable range for an extended period of time, the PCM will set the P0420 code. This indicates that the three-way catalytic converters oxygen storage capacity is below a threshold considered acceptable. Possible symptoms - Engine Light ON (or Service Engine Soon Warning Light) P0420 Chevrolet Description In order to maintain a reasonably low emissions of Hydrocarbons (HC), Carbon Monoxide (CO), and Oxides of Nitrogen (NOx), the engine controls system uses a three-way catalytic converter. The catalyst within the converter promotes a chemical reaction which oxidizes the HC and CO present in the exhaust gas. This reaction converts them into harmless water vapor and Carbon Dioxide. The catalyst also reduces NOx, converting it to Nitrogen. The Powertrain Control Module (PCM) monitors this process using Bank 1 HO2S #2. Bank 1 HO2S #2, located in the exhaust stream past the three-way catalytic converter, produces an output signal which indicates the oxygen storage capacity of the catalyst. This determines the catalysts ability to convert exhaust emissions effectively. If the catalyst is functioning correctly, the Bank 1 HO2S #2 signal will be far less active than that produced by Bank 1 HO2S #1.


Read more: http://engine-codes.com/p0420_chevrolet.html#ixzz3n9JdbrFG

Sep 29, 2015 | 2009 Chevrolet Lumina SS

1 Answer

Engine Code PO430


P0430 Ford - Catalyst System Efficiency Below Threshold Bank 2

Possible causes - Three way catalyst converter Bank 2
- Exhaust tube
- Intake air leaks
- Fuel injectors may be faulty
- Fuel injector leaks
- Spark plugs may be faulty
- Improper ignition timing
- Engine Control Module (ECM) Tech notes As the code description implies the P0430 code means that the vehicle's control module has detected that the three-way catalytic converter is not working properly (is not as efficient as the factory is expecting). Replacing the oxygen (O2) sensors may sometimes fix the code, but in most cases the catalytic convert needs to be replaced to fix the problem. If the P0430 code is combined with other codes, try fixing the other codes first.

Mar 14, 2015 | 2010 Ford F-150

1 Answer

Kia Sedona bank 2 catalyst converter


My best suggestion is to see if local wrecking yard has a catalytic converter (preferably a pair, 1 for each bank) from a newer wrecked Kia Sedona or similar vehicle. According to my manuals that cover Sephia/Spectra, the catalytic converters are connected to the exhaust system with bolts, and in some applications, springs and bolts. The Chilton/Haynes repair manual, which I was referencing, has step by step instructions in doing this repair. The best investment you can make is a Chiltons/Haynes repair manual that covers your make/model/year of vehicle. I do find it odd that the cat converter went bad on one side only, and on what would be considered a newer vehicle. I'm running the original cat converters in GM and Kia vehicles, and the newest one is 2002.

Dec 12, 2014 | 2004 Kia Sedona

2 Answers

What does trouble code p0420


p420 code has to do with your exhaust system,catylic converters,..sensors...could be a simple fix or not...

Sep 19, 2014 | 2003 Chrysler Town & Country

1 Answer

I have a 2003 Ford Escape with a 1.3L v6 it keeps blowing out the EGR valve and it has no power it will only tab up to 2000 Rpms


You may have a clogged exhaust system, have the exhaust back pressure checked, it should not exceed 3 PSI under a load. If it is clogged the catalyst substrate ceramic brick may have broken up and this blocks the exhaust flow. I am pretty sure you will find this is the problem. Doing test requires a special tool kit that plugs into the O2 sensor port aft of the catalyst converter.

Oct 08, 2012 | Cars & Trucks

2 Answers

The obd II code is po 430. what does that have to do with the catalyst system or emmission?


PO430--Catalyst System Efficiency Below Threshold (Bank 2)

On your vehicle ,that would be a bad exhaust converter
on the drivers side

Bank 1 would be where the #1 cylinder is
Bank 2 the opposite on a V6 or V8

Your converter is about 12 or 13 years old
They should last about 12 to 15 in my opinion

I would replace both converters and both O2
Sensors--if they have 100,000 miles on them

The Catalyst is the material inside that converts
the exhaust gases to Water Vapor, H2O, and reduces
HC,CO,and NOX

Feb 14, 2011 | 1998 Mercury Grand Marquis

1 Answer

2004 ford escape engine emission light on lunges while idleing


I have found this to be a common problem on 2001-2006 V6 Ford Escapes. In 99% of these cases the problem is the Catalytic Converter. The V6 has three in-total, one per exhaust manifold, and one after the Y connection. This third catalytic converter is the one that always gets clogged. Another clue to it's failure is a loss of power and a increase in fuel consumption. The later 2006-2008 have a redesigned exhaust system. Hope that helps.

Dec 16, 2010 | 2004 Ford Escape

1 Answer

Is the egr valve blowing and the converter being plugged a common problem or just to be expeed on an '04 vehicle, or a defect?


If it's a V6 it is usually caused by the 3 rear COPs, Coil on Plug. The converter is part of the exhaust manifold, $350 on ebay.
The COPs cause a misfire and usually light the Check Engine Light.

Replace all 3 rear COPs.

Feb 20, 2010 | 2004 Ford Escape

1 Answer

I have a 2003 Ford Escape with a PO420 error code. When I accelerate, it sounds like air is coming from my engine. What is the problem and what should I do?


Here's what the code means, P0420 -- Catalyst System Efficiency Below Threshold (Bank 1).
Causes: Bad O2 senor, bad catalytic converter, and/or leaking exhaust manifold.


The error is coming from the O2 sensor number 1 between the exhaust manifold and the catalytic converter. The sensor itself may not be the problem. From what your describing is maybe a leak coming somewhere near the exhaust manifold. This would set off the P0420 code. Look around the exhaust manifold down to the catalytic converter for leaks that will leave black marks from burned fuel. If this can't be easily found, you may have to take the car in and have the exhaust hooked up to a smoke machine. This will inject smoke into the tail pipe and any leaks will be found by the smoke coming out of it.

Nov 16, 2009 | 2003 Ford Escape

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