Question about 2004 Chevrolet Malibu

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What does p0430 code mean in a chevy malibu?

Check engine light is on. code p0430 is coming up. i don't know which sensor that is or if i need a new catalytic converter

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  • Chevrolet Master
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It is the o2 sensor next to the catalytic converter which is the bank 2 sensor

Posted on Oct 31, 2012

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Posted on Jan 02, 2017

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awcforever
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SOURCE: I have a 2005 Chevy Malibu. The check engine

"This indicates a fuel vapor leak in the EVAP control system. It means a very small leak has been detected. In fact, the leak can be from a hole as small as 0.04" in diameter. The (EVAP) emission control system prevents the escape of fuel vapors from a vehicle's fuel system. Fuel vapors are routed by hoses to a charcoal canister for storage. Later, when the engine is running a purge control valve opens allowing intake vacuum to siphon the fuel vapors into the engine."
Hope that helps..

Posted on Mar 25, 2009

arauzvictor1
  • 466 Answers

SOURCE: chevy malibu check engine light on code P1665 what

P1665 Evap vent solenoid control circuit

Posted on Aug 30, 2009

  • 121 Answers

SOURCE: 2001 chevy cavalier check engine light came on.

first i would have autozone give you a print out of the codes that were stored in the computer of your cars ecm.then check the trouble tree for diagnosing those codes.autozone sells a book on trouble codes.do you have over 100,000 miles on the car? the converter is covered upto 10 years or 100,000 miles.next, yes you can remove and replace the 02 sensor,with a 7/8 wrench and or buy a 02 socket.on a 4 cyl. engine there is 2 one before and one after the converter which is located in the exhaust close to the engine.hope this helps.

Posted on Dec 06, 2009

  • 3 Answers

SOURCE: 2.2 ecotec engine. Code says random misfire. What

did you fix it? if you did what did you do? i have the same prblm thanks!

Posted on Jan 17, 2010

emissionwiz
  • 80562 Answers

SOURCE: Chevy aveo error codes. I have a check engine light on.code p2135

P2135 Throttle Position Sensor (TPS) Property Malfunction, remember this is not a car that is built by GM it is a Korean import.

Posted on Jun 07, 2010

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The check engine light and VSC light came on in my 2005 highlander. 168,000 miles


P0420 & P0430 You need new catalytic converter
The P0430 check engine light code, like P0420, means the catalyst system efficiency is below the required threshold. Simply put, this means your car is adding more pollution into the air than it's supposed to.

Dec 26, 2017 | 2008 Toyota Highlander

1 Answer

Trouble code P0430 2006 Chrysler Sebring


Hi,


code: Catalyst System Efficiency Below Threshold (Bank 2)
Causes

A code P0430 may mean that one or more of the following has happened:

  • The catalytic converter is no longer functioning properly
  • An oxygen sensor is not reading (functioning) properly
  • There is an exhaust leak
Possible Solutions

First, inspect for exhaust leaks.

Next step is to measure the voltage at the oxygen sensor on Bank 2. In fact, it would be a good idea to test each oxygen O2 sensoricon1.png while you're at it.

One thing to note is that many vehicle manufacturers offer a longer warranty on emissions-related parts. So if you have a newer car but it's out of it's bumper-to-bumper warranty, there still may be warranty on this type of problem. Many manufacturers give a five year, unlimited mileageicon1.png warranty on these items. It's worth checking into.


Td

Nov 06, 2012 | 2006 Chrysler Sebring

1 Answer

My Ford Taurus Failed the inspection, we have replaced 1 oxygen sensor, but the reading still failed. Went to the Autozone & & did a reading came up with two codes P0430 & P0125, is this to...


PO125 means the ECM sees the engine is too cold to go into closed loop and runs rich for too long.
PO430 means the ECM doesn't like what it sees coming out the exhaust.
I would check the thermostat and make sure the engine is getting up to 195-200 degrees after 5 or 10 min of drive time, and if it is then check the temp sensor for the ECM to make sure it is reading the engine temp correctly.
Fixing the code 125 should take care of the code 430.

Jun 24, 2012 | 2001 Ford Taurus

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I have 2008 Malibu 4 cylinder and my engine light comes on, my temperature gage at times doesn't work and when it isn't working the fan keeps running and the engine light goes off at times, th


You need to find out the fault code that is stored that is causing the check engine light, the whole thing may be related to one failed part like the temperature sensor or the wiring to it.

May 17, 2012 | 2008 Chevrolet Malibu

1 Answer

Drive and idle is normal but suddenly check engine, pcs and vsc light come up. mechanic have checked. they said this car have few code. p0420, p0430, c1734, b2090, c1a40


ok lets do this in order
P0420 Catalyst System Efficiency Below Threshold (Bank 1) an o2 sensor bad usually before the Cat converter P0430 Catalyst System Efficiency Below Threshold (Bank 2) same thing but the sensor after the cat converter the c1734 people will say you need to replace a bad BCM, but don't,, once the O2 sensor problem is addressed , that code will clear , it has to do with the remote start b2090 has to do with power doors ,, this will drop off too once the system is rest , same with the last one you listed, If I was you I'd have the 2 O2 sensors checked, replace the bad one, or both, and have the mechanic clear all the codes, then recheck them

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I have a 2005 chevy malibu andthe gas guage stopped marking.Now it says its on empty and the check engine light is on.I need help to know what it is.


it is most likely a faulty fuel level sender in the tank, and the check engine light is on because of a fuel level sensor code. the tank will need to come out to change.

Dec 18, 2010 | 2005 Chevrolet Malibu

2 Answers

The engine warning light on my 2008 malibu is on. I also have had problems with the acceleration of the vehicle. My local mechanic ran an emissions check and showed a defective catalitic convertor. I...


That car sounds like it has too many problems.
If it were me, I would not waste anymore money and time
on it and find another vehicle if possible.

May 11, 2017 | 2008 Chevrolet Malibu

5 Answers

Chevy aveo error codes. I have a check engine light on.code p2135


P2135 Throttle Position Sensor (TPS) Property Malfunction, remember this is not a car that is built by GM it is a Korean import.

Jun 07, 2010 | 2004 Chevrolet Aveo

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