2004. What are the probable causes of DTC P0430?

Rattling & engine hesitation when accelerated. I'm thinking of buying a new engine

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Justin Peasley Jun 03, 2015

Cat is cloged the exhaust cant flow properly to much back pressure
Justin Peasley Jun 03, 2015

Cat is cloged the exhaust cant flow properly to much back pressure
Justin Peasley Jun 03, 2015

Cats cloged to much back pressure its killing the engine exhaust is not flowing

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Marc Stern

Expert 94 Answers
Posted on Jun 03, 2015

Marc Stern

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Here's the crux of the problem, something is plugged up somewhere and is keeping your catalyst from performing properly. I suspect that the exhaust manifold may be leaking big time and because it is, the pressure flow to the cat isn't what it should be. It's possible that a piece has been blown out of the head gasket and your engine is performing poorly. In fact, I would suggest that you run this down as it seems the most likely cause.

Because your car is hesitating and rattling when you are accelerating I suspect that the engine's pressure levels are all over the place due to the head gasket.

If you have the tools available, you can check it out yourself, but given the complexity of the Amanti's engine, I would suggest leaving it to a trained technician.

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Anonymous

4 Answers
Posted on Jul 21, 2008

SOURCE: engine rattles at acceleration and hesitates

This sounds like your ignition timing is awry. You'll need a timing light to verify if this is correct. If that's OK the your valve clearances may be a little loose.

Anonymous

67 Answers
Posted on Jan 07, 2009

SOURCE: 1986 chevrolet silverado truck engine hesitates when accelarating

Along with the vacuume leaks I would check the carb. The accelerator pump might be out of adjustment or something else in the carb. Currently I have the same problem with mine and I just adjusted it and for 1 day so far it's ran fine but I have a holley on mine. Carb may be dirty also.

Anonymous

379 Answers
Posted on Jan 23, 2009

SOURCE: Kia Amanti 2004 trouble Codes

yes, P2127 refers to throttle / pedal position sensor switch E circuit low input , and P2138 refers to throttle / pedal position sensor switch D & E voltage correlation . yours is a drive by wire technology vehicle ( no throttle cable) , you have an issue with that system / circuit .

Thanks for using Fix Ya !

J5

Anonymous

410 Answers
Posted on May 19, 2009

SOURCE: what oil does 2005 kia amanti use

Depends on where you live in the country. In TN where I live most people just use 10W30 all year, but if you live in a colder area you would use 10W30 in the summer and 5W30 in the winter. Hope this helps. Thanks for an honest rating.

Anonymous

1201 Answers
Posted on Oct 20, 2009

SOURCE: I have a code P2422 on a 05 Kia Amanti. What would

The evaporative emissions vent valve is stuck closed. Probably needs to be replaced.

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2004 Toyota RAV4 hesitant acceleration at low revs.

All the things you mention at the end would cause codes on a scan tool so it is unlikely to be those.

A high end $5 grand scan tool computer should diagnose the acceleration issue, but they can't diagnose bearing or gears that are worn.

You could try cleaning the Throttle Body and MAF.

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Dec 05, 2022 • 2004 Toyota RAV4

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What is TSB 7/2006

TSB 7/2006
Subject/Concern: Hesitations; Poor or no start; Deteriorated fuel economy; Diagnostic trouble codes (DTC) P1412, P0490 and P1335 stored
Model: Focus C-MAX 2003.75 (06/2003?¿½) Build Date: 14.02.2004-01.03.2006
Build Code: 4R-6S
Assembly Plant: Saarlouis
Engine: 2.0L Duratorq-TDCi (DW) Diesel
Focus 2004.75 (07/2004?¿½) Build Date: Up to 01.03.2006
Build Code: Up to 6S
Assembly Plant: Saarlouis
Assembly Plant: Valencia
Engine: 2.0L Duratorq-TDCi (DW) Diesel
Markets: All
Section: 303-08
Summary

Should a customer express concern about one of the following:

* hesitations,
* poor or no start,
* deteriorated fuel economy,
and upon investigation diagnostic trouble codes (DTC) P1412, P0490 and P1335 are stored in the powertrain control module (PCM), the probable cause is a sticky exhaust gas recirculation (EGR) valve.

To rectify this concern, a new EGR valve with a stronger EGR valve motor and revised PCM calibration should be installed.

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Jun 23, 2014 • 2003 Ford Focus

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Chevy 2500 4x4 truck,, wont excelarate right, acts like its running out of gas, good fuel pressure, new mass air flow senser, still does it... any ideals???????

ENGINE HESITATES WHILE ACCELERATION

LOSS OF ACCELERATION

It can be fuel pressure issue or it's the problem with accelerator pedal or its clogged filters causing there.

There are many other possibilities. I suggest you to go through the list of help links mentioned below, these will help you to confirm where the actual fault lies: -------

Jerks and Hesitates During Acceleration?

http://technoanswers.blogspot.in/2012/07/2004-dodge-town-country-jerks-and.html

-----------

Loss of acceleration?

http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html

---------

Headlights flickering and car hesitates to start?

http://howtobyme.blogspot.in/2012/02/headlights-flickering-and-car-hesitates.html

--------

How exactly the Vehicles Accelerator Cable works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html

-------------

How exactly Vehicles Accelerator Pump Diaphragm Works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html

--------

2000 Toyota Avalon: Engine Lean Codes and Knock Sound on Acceleration?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-engine-lean-codes.html

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2004 Toyota Avensis: Acceleration And Deceleration makes noise on Front End?

http://whatisbyme.blogspot.in/2012/05/2004-toyota-avensis-acceleration-and.html

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Wheel hop under hard acceleration?

http://technoanswers.blogspot.in/2012/04/wheel-hop-under-hard-acceleration.html

--------

2009 Chevy impala accelerator pedal sensor?

http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html

---------

Nissan Pathfinder stalls and bucks on Acceleration?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

--------

Acceleration lag problem?

http://repairhelpcenter.blogspot.com/2012/01/acceleration-lag-problem.html

-------------

These details will help.

Thanks.

Read full answer

Jan 08, 2013 • 1996 Chevrolet C/K 2500

1helpful

1answer

- stumbles when stopped and accelerating at low speeds

ENGINE HESITATES WHILE ACCELERATION
LOSS OF ACCELERATION

It can be fuel pressure issue or it's the problem with accelerator pedal or its clogged filters causing there.
There are many other possibilities. I suggest you to go through the list of help links mentioned below, these will help you to confirm where the actual fault lies: -------
Jerks and Hesitates During Acceleration?
http://technoanswers.blogspot.in/2012/07/2004-dodge-town-country-jerks-and.html
-----------
Loss of acceleration?
http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html
---------
Headlights flickering and car hesitates to start?
http://howtobyme.blogspot.in/2012/02/headlights-flickering-and-car-hesitates.html
--------
How exactly the Vehicles Accelerator Cable works?
http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html
-------------
How exactly Vehicles Accelerator Pump Diaphragm Works?
http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html
--------
2000 Toyota Avalon: Engine Lean Codes and Knock Sound on Acceleration?
http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-engine-lean-codes.html
---------
2004 Toyota Avensis: Acceleration And Deceleration makes noise on Front End?
http://whatisbyme.blogspot.in/2012/05/2004-toyota-avensis-acceleration-and.html
---------
Wheel hop under hard acceleration?
http://technoanswers.blogspot.in/2012/04/wheel-hop-under-hard-acceleration.html
--------
2009 Chevy impala accelerator pedal sensor?
http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html
---------
Nissan Pathfinder stalls and bucks on Acceleration?
http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html
--------
Acceleration lag problem?
http://repairhelpcenter.blogspot.com/2012/01/acceleration-lag-problem.html
-------------
These details will help.
Thanks.

Read full answer

Dec 07, 2012 • Cars & Trucks

3helpful

3answers

When maintaining speed of about 50mph,2004 pacifica hesitates and will cut off while in park sometimes.check engine light is not on

ENGINE HESITATES WHILE ACCELERATION

LOSS OF ACCELERATION

It can be fuel pressure issue or it's the problem with accelerator pedal or its clogged filters causing there.

There are many other possibilities. I suggest you to go through the list of help links mentioned below, these will help you to confirm where the actual fault lies: -------

Jerks and Hesitates During Acceleration?

http://technoanswers.blogspot.in/2012/07/2004-dodge-town-country-jerks-and.html

-----------

Loss of acceleration?

http://technoanswers.blogspot.in/2012/02/loss-of-acceleration.html

---------

Headlights flickering and car hesitates to start?

http://howtobyme.blogspot.in/2012/02/headlights-flickering-and-car-hesitates.html

--------

How exactly the Vehicles Accelerator Cable works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-cable.html

-------------

How exactly Vehicles Accelerator Pump Diaphragm Works?

http://repairhelpcenter.blogspot.com/2011/11/how-exactly-vehicles-accelerator-pump.html

--------

2000 Toyota Avalon: Engine Lean Codes and Knock Sound on Acceleration?

http://whatisbyme.blogspot.in/2012/05/2000-toyota-avalon-engine-lean-codes.html

---------

2004 Toyota Avensis: Acceleration And Deceleration makes noise on Front End?

http://whatisbyme.blogspot.in/2012/05/2004-toyota-avensis-acceleration-and.html

---------

Wheel hop under hard acceleration?

http://technoanswers.blogspot.in/2012/04/wheel-hop-under-hard-acceleration.html

--------

2009 Chevy impala accelerator pedal sensor?

http://technoanswers.blogspot.in/2012/02/2009-chevy-impala-accelerator-pedal.html

---------

Nissan Pathfinder stalls and bucks on Acceleration?

http://technoanswers.blogspot.in/2012/02/nissan-pathfinder-stalls-and-bucks-on.html

--------

Acceleration lag problem?

http://repairhelpcenter.blogspot.com/2012/01/acceleration-lag-problem.html

-------------

These details will help.

Thanks.

Read full answer

Nov 28, 2012 • Chrysler Pacifica Cars & Trucks

0helpful

1answer

Hesitation when accelerating. when tac is over 2K RPM the car runs o.k. but the vehicle shakes and rattles when accelerating under 2K RPM. someone said it may be the TPS but I am thinking it could be the...

Sounds like misfire... Did the 'Check Engine' Light come ON? Whenever the 'CHECK ENGINE' light comes on, the ECU (Engine Control Unit) sets a Diagnostic Trouble Code (DTC). These codes identify the particular engine management system which caused the light to come on.
You'll need to use/find an OBDII (On-Board Diagnostic) Scanner to retrieve any code which have been stored in the ECU computer. Afterward, we might be able to help you DIAGNOSE and perhaps eventually fix the problem.

Read full answer

Aug 07, 2009 • 2001 Hyundai Tiburon

0helpful

1answer

Car hesitates at different rpms in all gears on my 2004 mazda 6

Hi, it might very well be the electronic engine control system that is malfunctioning, among other probable causes. I'm not there in person, but I can help you go through the most probable causes of this accleration-hesitation problem that you have. In fact, here's a very good, handy diagnostic article exactly on your issue, detailing the six most probable causes:
http://yourhandymanzone.com/Your_Handyman_Zone_How_To_Pages_Vehicle_Car_Zone_Cars_Trucks_Vans_Engine_System_Engine_Hesitates_When_Accelerating.htm
Go through these to definitely solve your problem.
Brad

Read full answer

Jun 01, 2009 • 2004 Mazda 3

0helpful

1answer

Hesitation acceleration

have you checked the fuel injector? if enough fuel is not getting through when accelerating it could "choke" causing the hesitation

Read full answer

Feb 24, 2009 • 2004 Dodge Caravan

1helpful

1answer

2004 dodge caravan 2.4 Hesitates during Acceleration and at idele

You should definitely replace the fuel filter though this probably won't fix your hesitation. It wouldn't hurt to replace the spark plugs this is usually the culprit on these engine. I have the same engine in a '99 caravan and found the for some reason the spark plugs on cylinder 3 and 4 loosen up after one year and cause a misfire between 45 and 50 mph under load (when mildly accelerating).

Read full answer

Jan 06, 2009 • 2004 Dodge Caravan

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2004. What are the probable causes of DTC P0430?

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Related Questions:

2004 Toyota RAV4 hesitant acceleration at low revs.

What is TSB 7/2006

Chevy 2500 4x4 truck,, wont excelarate right, acts like its running out of gas, good fuel pressure, new mass air flow senser, still does it... any ideals???????

Jerks and Hesitates During Acceleration?

Loss of acceleration?

Headlights flickering and car hesitates to start?

How exactly the Vehicles Accelerator Cable works?

How exactly Vehicles Accelerator Pump Diaphragm Works?

2000 Toyota Avalon: Engine Lean Codes and Knock Sound on Acceleration?

2004 Toyota Avensis: Acceleration And Deceleration makes noise on Front End?

Wheel hop under hard acceleration?

2009 Chevy impala accelerator pedal sensor?

Nissan Pathfinder stalls and bucks on Acceleration?

Acceleration lag problem?

- stumbles when stopped and accelerating at low speeds

When maintaining speed of about 50mph,2004 pacifica hesitates and will cut off while in park sometimes.check engine light is not on

Jerks and Hesitates During Acceleration?

Loss of acceleration?

Headlights flickering and car hesitates to start?

How exactly the Vehicles Accelerator Cable works?

How exactly Vehicles Accelerator Pump Diaphragm Works?

2000 Toyota Avalon: Engine Lean Codes and Knock Sound on Acceleration?

2004 Toyota Avensis: Acceleration And Deceleration makes noise on Front End?

Wheel hop under hard acceleration?

2009 Chevy impala accelerator pedal sensor?

Nissan Pathfinder stalls and bucks on Acceleration?

Acceleration lag problem?

Hesitation when accelerating. when tac is over 2K RPM the car runs o.k. but the vehicle shakes and rattles when accelerating under 2K RPM. someone said it may be the TPS but I am thinking it could be the...

Car hesitates at different rpms in all gears on my 2004 mazda 6

Hesitation acceleration

2004 dodge caravan 2.4 Hesitates during Acceleration and at idele

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2004 Toyota RAV4 hesitant acceleration at low revs.

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