answersLogoWhite

0


Top Answer
User Avatar
Wiki User
Answered 2007-11-06 21:24:50

P0420 = Catalyst System Efficiency Below ThresholdCatalyst System Efficiency Below Threshold. This means that the secondary O2 sensor detects that the catalytic converter isn't working as efficiently as it should. This engine code can be triggered by any one of the following:

1.) The catalyst in the catalytic converter is cracked, clogged, or otherwise damaged.

2.) The secondary O2 sensor is malfunctioning.

3.) There is an exhaust leak.

4.) The computer unit is faulty

001
๐Ÿ™
0
๐Ÿคจ
0
๐Ÿ˜ฎ
0
๐Ÿ˜‚
0
User Avatar

Your Answer

Loading...

Still have questions?

Related Questions

What is the highway for getting water and nutrients to the leaves?

hihih


Can you hit the highway with your car pulling to the right while driving?

It depends on how hard the pull is. It would be safest to get your vehicle fixed before getting on the highway.


What part of the plant is considered the highway for getting water and nutrients to the leaves?

the stem


Why would tanks drive on a public highway?

If a tank has to get from a to b and there is no transporter for it, the public highway is a means of getting there without doing damage to off-road services.


What is gas mileage for a 1983 Chevy G20?

im getting 17 on the highway on mine


What part of a plant could be considered to highway for getting water and nutrients to the leaves?

the stem


How many miles to the gallon does a Ford Freestyle Limited get on the highway and city?

I have been getting about 34 highway miles and 27 city. Huge difference from the envoy I owned.


If there is an 18-wheeler on an access road attempting to get on the highway and you are getting off the highway to exit can you go around the stopped 18 wheeler through the emergency lane?

no u can not no u can not


What is the mileage consumption for Honda Pilot?

For the 2005 LX model we're getting about 14 MPG (60% city, 40% highway) and 18 MPG (80% highway, 20% city).


What are the major highways in Alaska?

The major highways in Alaska are: Alaska Highway, Denali Highway, Elliott Highway, Parks Highway, Glacier Highway, Glenn Highway, Dalton Highway, Richardson Highway, Seward Highway, Steese Highway, Sterling Highway and the Taylor Highway alaska is awsoum


I am one of Australia's major highways what am I?

Pacific HighwayStuart HighwayBruce HighwayHume HighwayPrinces HighwayMatilda HighwayWarrego HighwayOxley Highway


Should 'highway' be capitalized?

If referring to a particular "highway," it is "Highway 66." If you are describing going down a highway, it is a "highway."


What is the gas mileage on an ford E 350 van?

I'm getting 11 mpg highway with the airconditioner on


MPG for 2007 Toyota RAV4?

I am consistantly getting 25 MPG, Half Highway, Half City!!!


What part of the plant could be considered the highway for getting water and nutrients to the leaves explain how this happens?

stem


Chevy s10 sputter and stall getting on the highway?

Start with replacing the fuel filter, it may be plugged.


Is it Highway 80 or highway 80?

Highway 80


How do you write the name highway or name highway?

The word highway can be written out fully as Highway or it can also be abbreviated. The abbreviation for highway is hwy.


How many miles per gallon does a 2003 Toyota Corolla get?

Youll get about 28mpg in town, im getting 32mpg highway


Why would a cars engine suddenly stop while driving down the highway?

Check to see if you are getting fuel and spark


Average mpg for 2004 Honda accord?

I'm getting 24 in the city and as much as 28-29 on the highway.....with a V6.


What is the longest highway in the Philippines?

The longest highway in the Philippines is the Pan-Philippine Highway (aka Maharlika Highway).


What is the highway to Mount Isa?

The highway to Mt Isa is the Matilda Highway.


What is the most direct route from Toronto to Winnipeg?

Take HIGHWAY 400 NORTH to HIGHWAY 69. HIGHWAY 400 becomes HIGHWAY 69. Continue STRAIGHT on HIGHWAY 69 NORTH.Take HIGHWAY 69 NORTH to (TRANS-CANADA) HIGHWAY 17 WEST in Greater Sudbury.Take the TRANS-CANADA HIGHWAY WEST on HIGHWAY 17 in Ontario, then HIGHWAY 1 in Manitoba to Winnipeg.


What is the only paved road that crosses the outback in Australia?

Many sealed roads cross Australia's outback. Just a small selection is included below:Stuart HighwayEyre HighwayMatilda HighwayNewell HighwayGreat Northern HighwayWarrego HighwayMitchell HighwayBarrier Highway