Question about 2001 Subaru Forester

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Exuast leak from catalytic converter - 2001 Subaru Forester

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Some can be weld,if not very big breech.depending on age,might need to replace.

Posted on Dec 06, 2012

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Have lots of water and smoke exiting the exuast have changed,oil,and both rocket covers with gasket Blowing smoke and water out of exhaust,changed oil and the oil filter..was broken down.old


Some water is expected on low emission vehicles, It's from the oxidation process of the catalytic converter. What color smoke ? Blue - oil , black it's running rich . White - coolant , blown head gasket . You don't want to use stop leak ,it will plug radiator an heater core . Fix the problem right ! Take it to a ASE certified repair shop . Some people are just not meant to work on cars !

Apr 17, 2016 | Cars & Trucks

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Will catalytic converter cause large vacum leak


yes if its stoped up but in most cases if thats bad the catalytic converter that is than a car will run verybad look at all vacume hoses to se if one is pinched to gether check the pvc valve if its stoped it cancause a vacume leak bad

Nov 12, 2012 | 1999 Dodge Durango

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How do i find an exhaust leak on a 2001 chevy cavalier


An exuast leak won't trigger a check engine light unless its before the o2 sensor if your determined to find an exuast leak just start ur car and while its still cold get underneath the car and feel for exuast along the pipe also wats it sound like

Jan 05, 2012 | 2001 Chevrolet Cavalier

1 Answer

Got a new catalytic converter for my 97 4runner but the parts dont match up. The muffler pipe will not fit into the hole of the converter. the pipes are the exact same size.


did you buy a genuine part?and even if you did, toyota buy in exhaust components, so different makers will be slightly different re bore size,the ONLY way to make sure all the parts of the exuast fit, is to buy the complete system,if you cannot modify the pipes to fit.... please do not try to weld a cat onto a pipe.....

Sep 05, 2010 | 1997 Toyota 4Runner

1 Answer

How do I repair obd code p0430 bank 2?


P0430 means that the O2 sensor behind the catalytic converter is detecting that the catalytic converter is not functioning properly. This can be caused by a bad sensor, and exhaust leak or the actual catalytic converter is bad. Check for leaks 1st. The sensor is changed by unhooking and unscrewing it from the exhaust pipe, the catalytic will need to go to a repair shop. Hope this helps, let me know.

Aug 09, 2010 | 1996 Ford Taurus

3 Answers

Code po430 not sure what maybe converter


One of three (3) possibitlies:
1. Catalytic Converter is malfunctioning.
2. O2 Sensor is malfunctioning. This will be the O2 Sensor located on the Catalytic Converter. However you should check and/or replace both sensors if needed.
3. You have an Exhaust Leak.
In Order of checking:
A. Check and Repair any Exhaust Leak.
B. Replace the O2 Sensor on the Catalytic Converter 1st. Also Known as the Downstream O2 Sensor or HO2 Sensor.
C. Replace the O2 on the Exhaust Manifold prior to the Catalytic Converter. Also Known as the Upstream O2 Sensor.
D. Replace the Catalytic Converter.
Let me know if this helped, or if you have any additional information, problems or questions. Feel free to contact me at FixYa.com!

Feb 01, 2010 | 1998 Ford Explorer

1 Answer

PO420


Not just a faulty catalytic converter will trigger this code. Many other issues can trigger this code.

  • Leaded fuel was used where unleaded was called for
  • An oxygen sensor is not reading (functioning) properly
  • The engine coolant temperature sensor is not working properly
  • Damaged or leaking exhaust manifold / catalytic converter / exhaust pipe
  • Delayed spark timing
  • The oxygen sensors in front and behind the converter are reporting too similar of readings
Possible solutions:
  • Check for exhaust leaks at the manifold, pipes, catalytic converter.
  • Replace Coolant Temperature Sensor
  • Use a scope to diagnose the oxygen sensor operation (Tip: The oxygen sensor in front of the catalytic converter normally has a fluctuating waveform. The waveform of the sensor behind the converter should be more steady).
  • Inspect the downstream heated oxygen sensor (HO2)
  • Replace the catalytic converter
  • Have timing adjusted


Aug 25, 2009 | 2002 Toyota Camry

1 Answer

Catalytic converter question


you must have a duel exuast the #2 converter is on the right center of the vehicle underneath the floor pan.

Aug 30, 2008 | 2000 Nissan Maxima

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