Question about 2002 Pontiac Grand Prix

2 Answers

I have a 2002 grand prix 3.8L and I just replaced the O2 sensor; how long will it take for the system to reset?

Posted by on


2 Answers

  • Level 2:

    An expert who has achieved level 2 by getting 100 points


    An expert who has answered 20 questions.


    An expert that has over 10 points.

    Welcome Back:

    Visited the website for 2 consecutive days.

  • Expert
  • 102 Answers

Should be instant

Posted on Nov 12, 2018

  • Level 3:

    An expert who has achieved level 3 by getting 1000 points


    An expert that got 10 achievements.


    An expert that got 5 achievements.


    An expert whose answer got voted for 500 times.

  • Master
  • 749 Answers

You will need to either disconnect the battery for about a minute or reset with a scan tool or code reader.

Posted on Jul 18, 2010

  • Raymond Porten
    Raymond Porten Nov 12, 2018

    What would cause the sensors to keep setting to not ready but no check engine light to come on?



1 Suggested Answer

  • 2 Answers

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

Hi there,
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.

Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.

Here's a link to this great service

Good luck!

Posted on Jan 02, 2017

Add Your Answer

Uploading: 0%


Complete. Click "Add" to insert your video. Add



Related Questions:

1 Answer

My 2002 grand prix was running rough. I plugged my code reader in and the mass air flow sensor came up. I changed that.Then the o2 sensor came up and I changed that. misfire on multiple cylinders came

Check for a restriction of some kind, fuel--air--exhaust. Use a gage and check fuel pressure. What was the actual 02 sensor code? Can you tell if the system is running rich or lean? In park, will the engine rev normally?

You don't think the tranny has an issue?

Dec 15, 2014 | 2002 Pontiac Grand Prix

1 Answer

2002 Grand Prix GTP has code p1133. Insufician swtching bank 1 sensor 1 . What should I do, Replace it?

For a little bit technical. pcm send .450mv as reference the middle is .500mv it's rated o to 1000mv . The o2 sensor sense rich condition over .500mv and lower poor condition.It's switch from rich to poor condition all the time.But as to go near 100mv and 900mv if not o2 sensor could be at fault

Aug 30, 2013 | 2000 Pontiac Grand Prix

1 Answer

Where is the rear o2 sensor on 2002 grand prix

Should be right after the catalytic converter in the exhaust pipe.

Apr 09, 2013 | 2002 Pontiac Grand Prix

2 Answers

I have 2005 pontiac grand prix the code p0420 shows up ,Catalyst System Efficiency Below Threshold. now would i have to replace the converter or just maybe the o2 sensors that may have gone bad to cause...

okay, if you replace the converter then i would also replace the o2 sensors along with it,so, replace the sensors first and reset the light and this may take care of problem,if not ,nothing lost then replace the cat,your just doing it in two steps instead of all at once,75% of the time its bad o2s,

Jun 09, 2010 | 2005 Pontiac Grand Prix

1 Answer

Where is the 02 sensor located in a 2002 Pontiac Grand Prix? The machine says that the sensor is in Bank 1. Where is Bank 1?

The O2 sensors are located in the exhaust pipe between the exhaust manifold and the catalytic converter. When it's referring to a bank number, it's talking about which set of cylinders. I'm assuming that you have a v-6, if it's specifying a bank. Either way, There are two O2 sensors, one for each side of the engine, and you'll want to replace both, since whatever made the one go bad has probably done the same for the other side too. Anyways, it looks like a spark plug with 4 wires coming out the top screwed into your exhaust pipe. If you follow the exhaust from the engine, you will find your sensors. Hope this helped, and good luck.

Nov 22, 2009 | 2002 Pontiac Grand Prix

1 Answer

2003 Grand Prix service engine light on even after new catalytic

I wouldn't have gotten a cat. If the o2s are all replaced, then it could be an EGR valve

Oct 06, 2009 | 2003 Pontiac Grand Prix

1 Answer

2002 Pontac Grand Prix GTP P0171 code engine stumbling at times

Bank 1 is the frt side exhaust manifold (did they say bank 1 sensor 1?),you can start by replacing that sensor,i would check the intake for leaks ,the gm 6cly. are known for bad intake gaskets,you will see oil coming out form the frt or rear of the intake,also check your atifreeze overflow bottle for bronwish sludge,which means that the oil is mixing with the antifreeze.A leaking intake could cause that lean condition.

Mar 29, 2009 | 1998 Pontiac Grand Prix

1 Answer

02 sensor problem

Did your "check engine light" come on? If it did, then a mechanic would put a scope on your car's computer to read the malfunction code. The print out would indicate if the check engine light appeared because of a faulty O2 sensor. If you have a faulty O2 sensor it will need to be replaced since this it is the source of information for your car's computer with respect to fuel mixture.

Sep 07, 2008 | 2002 Pontiac Grand Prix

1 Answer

O2 sensor 2002 pontiac gran prix

It is in the exhaust pipe on the engine side of the catalytic converter, it is round, you may need a special socket to get it out.

Jun 23, 2008 | 2002 Pontiac Grand Prix

Not finding what you are looking for?
2002 Pontiac Grand Prix Logo

Related Topics:

169 people viewed this question

Ask a Question

Usually answered in minutes!

Top Pontiac Experts


Level 3 Expert

83850 Answers

Colin Stickland
Colin Stickland

Level 3 Expert

22413 Answers

Jeffrey Turcotte
Jeffrey Turcotte

Level 3 Expert

8841 Answers

Are you a Pontiac Expert? Answer questions, earn points and help others

Answer questions

Manuals & User Guides