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Signs of catalytic converte problem on 98 sl1 saturn

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

leetamara
  • 702 Answers

SOURCE: 98 Saturn SL 1 sputters

Have a scanner hooked up to your car and do a data stream to see if your knock sensor is still working. On a heavy load, if the ECM detects detenation in the engine, it will automatically want to ****** the timing to make it run better on a load.

Posted on Jun 10, 2008

justuscc
  • 360 Answers

SOURCE: Please Help... p0404 and p0137 Error Codes (1999 Saturn SL1)

yes egr valve is a common thing on this saturn. very pricy and yes you need the rear o2 sensor good luck i have a used egr if interested off a sl2

Posted on Sep 29, 2008

  • 15 Answers

SOURCE: Please Help... p0404 and p0137 Error Codes (1999 Saturn SL1)

hey if you truely think it is your egr valve unhook it and if that is the problem then when it is unhooked it should run better and the codes should not come up. hey if you cahnged the 1 o2 sensor and not the other you probably made the code for the one u repalced come up again. i would recommened that you change both of the o2 sensors at the same time. try checking if your catalatic convert is plugged. how you do this is take a dollar bill and hold it at the end of your tail pipe while it is idleing and if the dollar bill stays still you have a plugged catalatic converter.

Posted on Jan 13, 2009

localwonder
  • 6784 Answers

SOURCE: catalytic converter

HI, this guide will help you with this replacement.

Step1 Lift your jeep. Unfortunately, the catalytic convertermag-glass_10x10.gif sits about midway down the length of your jeep, so lifting one end or the other will not do. Ramps are your best bet to get you within reach of the parts when working from home. Luckily, this is usually the hardest part of this repair. Step2 Be patient with the bolts, as they are often hard to remove due to size and awkward placement. You may have to drill or saw bolts to remove them. With this in mind, you should pick up new bolts, nuts and seals for your replacement project. Step3 Buy a catalytic converter specific to your jeep to avoid extra work. A generic part must be welded into the jeep, while a vehicle-specific model comes pre-welded to the proper pipes for easy bolt-on installation. Step4 Remove the 02 sensor (with an O2 wrench) before unbolting the catalytic converter. Then, you should remove the pipe connecting the sensor to the converter. Depending on your exhaust system, you may have to remove more pipes before you unbolt the converter from the muffler. Step5 Replace the old catalytic converter with a new one. This should be the easy part, as you simply bolt the new part in place. Step6 Reattach the exhaust pipesmag-glass_10x10.gif and 02 sensor, and the basic job is done. Make sure you replace any cracked or rusty pipes while you have the exhaust system apart.

  • Catalytic converters often fall under a separate emissions warranty that lasts at least 7 years and 160,000 miles. Even if your car is out of its regular warranty, but it is a newer model, ask your dealer to replace the part for you free of charge.
  • Rent the O2 wrench or socket if you do not own one. Most auto parts stores carry this tool for rentals.
  • In many states, older (vintage) cars do not need a catalytic converter, so you can gut it or remove it completely. No damage will result from running a car without a converter.
  • Due to emissions standards, it is illegal to buy or install used converters.
Please rate and god bless:)

Posted on Apr 20, 2009

kirkx
  • 2019 Answers

SOURCE: 98 Ford Explorer engine/exhaust noise

When catalytic converters go bad, the porcelain matrix inside comes loose and is noisy.
But you can just unbolt it, break up the loose chunks, pour out the pieces, and it will run better than ever.
If you don't pass the next emissions test, then replace it.

But it could just be the heat shield rattling instead.
Take the shield off first, to see if it goes away.

Posted on Jan 03, 2010

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1 Answer

Where is bank 1 sensor 2 on a 2002 Saturn SL1 1.9


This is located in the exhaust pipe just aft of the catalytic converter.

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Bypass the o2 sensor at catalytic converter


There's no way to bypass it. It reads directly to the PCM. I recommend unplugging it and put it in the glovebox until you get it fixed. It'll make the check engine light come on but it shouldn't affect drivability at all.

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There are two sensors, one on the exhaust manifold the other on the catalytic converter. The exhaust manifold is the easy one to replace, the other the car needs to be on a lift.

Changing the O2 sensor will improve you gas mileage,

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I HAVE 99 SATURN SL1, CHECH ENGINE LIGHT ON WHEN I CHECH IT .THE TROUBLE CODE P0420(UPSTREAM CATALYTIC CONVERTER EFFICIENCY BELOW THRESHOLD)


I guess one would come to the conclusion you need to replace the upstream O2 sensor. Buy one at a parts store and take it to a muffler shop, having a lift they can install it for you quickly and cheaply.

Nov 03, 2010 | 1999 Saturn SL

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Where is the O2 Sensor located on the 98 SL1 Saturn


There are two O2 sensors. One is for the computer to control the Air/Fuel ratio mixture and one is for the catalytic converter. The one for the catalytic converter tells the computer nothing more than if the cat. con. is working properly.

The major O2 sensor you are probably looking for is on the exhaust manifold just below where all 4 cylinders meet into one pipe. It has a wire going to it and it sticks out of the exhaust a good ways, it's hard to miss.

Jan 30, 2010 | 1998 Saturn SL

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2002 Saturn SL1. THe service enging light is


you most likely have a plugged catalytic converter and a stuck open egr valve. Your car has two one is a digital electric and the other is mechanical, this is a common problem for that car. The digital is hard to find on the engine and hard to get at but if you want the procedure I can tell you how to fix it by removing and cleaning.

Jan 24, 2010 | 2002 Saturn S-Series

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Please Help... p0404 and p0137 Error Codes (1999 Saturn SL1)


hey if you truely think it is your egr valve unhook it and if that is the problem then when it is unhooked it should run better and the codes should not come up. hey if you cahnged the 1 o2 sensor and not the other you probably made the code for the one u repalced come up again. i would recommened that you change both of the o2 sensors at the same time. try checking if your catalatic convert is plugged. how you do this is take a dollar bill and hold it at the end of your tail pipe while it is idleing and if the dollar bill stays still you have a plugged catalatic converter.

Dec 10, 2008 | 1999 Saturn SL

1 Answer

Please Help... p0404 and p0137 Error Codes (1999 Saturn SL1)


yes egr valve is a common thing on this saturn. very pricy and yes you need the rear o2 sensor good luck i have a used egr if interested off a sl2

Sep 29, 2008 | 1993 Saturn SL1

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