Question about 2001 Chevrolet Blazer

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My check engine light just came on

My check engine light just caome on. i just reached 100,000 miles on my vehicle

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  • Anonymous Mar 31, 2014

    Does a 100,000 mile service turn on engine service light

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Hi If you have not notice any changes in the engine performance is very posible that the oxigen sensor is defective, they last about 60,000 miles, if you have a utozone or chekers store near by they will diagnosis your car at no charge,C1....

Posted on Dec 01, 2008

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2002 bmw check engine light on, diagnostic trouble codes p0174 and p0171.


Google the Codes
OBD PO171 etc & print a code chart
They are Oxygen Sensors-lean on both banks
They should have been changed at 100,000
miles on all your vehicles.

Aug 03, 2013 | 2002 Mitsubishi Montero

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2003 Ford Expedition check engine codes PO171 & PO174


You should be replacing all upstream oxygen sensors,
the ones at the inlet or pipe before the converter,on all
your vehicles at 100,000 miles

Go to Rock Auto.Com & buy two & install yourself

NTK 22060 $26.79 ea

Feb 18, 2013 | 2003 Ford Expedition

2 Answers

Why is the check engine light is on?


Upon reaching 100,000 miles all service enging lights do come on, Have the light reset by a technician if you do your maintenance yourself

May 05, 2012 | 2008 Chrysler Sebring

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I need to know what sevices to perform at 100,000 miles, the Service engine soon light is on and i dont know why.


A lot depends on your vehicle history, what kind of vehicle you have and what engine and transmission your vehicle is equipped with. If this information is not provided, it is hard to say what your vehicle needs at 100,000 miles.

Your engine computer has turned the Service Engine Soon light on because there is a malfunction in one of the many systems that are monitored by the computer. The only way to find out which one, or WHY the light is on, is to scan your engine computer to find out why it has turned the light on. There will be a fault code stored in your computer. This light coming on has very little to do with maintenance schedules. It has more to do with SYSTEM MALFUNCTIONS. (Although many system malfunctions CAN be prevented by performing the scheduled maintenance.)

May 10, 2011 | Buick Century Cars & Trucks

1 Answer

I need a serpentine belt diagram for a 2003 honda crv


  1. Many owner-reviewers on the Edmunds automotive website gave the CR-V a reliability rating of 1 to 5 out of of 10, citing the vehicle's expensive maintenance after passing 75,000 miles. On the AutoBeef website, owners who reviewed the vehicle reported a variety of AC and heater, electrical, engine, suspension and transmission problems to be the main issues of the vehicle, with other problems reported.
  2. AC and Heater Problems
  3. The most numerous issue faced by CR-V owners, air conditioning and heater problems plague even low-mileage CR-Vs. Most owners report an end blowing off the AC compressor, at an average of 76,900 miles. Repairs cost an average of $2,660, but in some cases cost as much as $3,700.
  4. Electrical Problems
  5. CR-V owners also cite electrical problems, prominently to locking and window mechanisms and interior accessories. Reported everywhere from 45,000 miles to over 100,000 miles, owners say that the doors won't unlock with the factory remote, the keys won't unlock the car, and that cigarette lighters and window buttons fail. Average repair cost per issue came out to $250.
  6. Engine Problems
  7. Owners report irregular idle patterns, catalytic converter failure, oxygen sensor failure and excessive engine oil use in CR-V engines. Occurring under or around 100,000 miles, these problems average roughly $2,500 to correct.
  8. Suspension Problems
  9. The two most common suspension problems are cracked ball joints and misaligned struts, which can cause the vehicle to pull to one side. Most problems occurred between 60,000 and 100,000 miles, and cost $300 or more on average to repair.

Jan 15, 2011 | 2003 Honda CR-V

1 Answer

What service(s) does a 2004 rav4 need at 100,000 miles?


This is Toyota's scheduled maintenance for the RAV4 at 100,000 miles...

Replace engine oil and oil filter 1
Rotate tires
Replace engine coolant 2
Visually inspect brake linings/drums and brake pads/discs
Applicable Footnotes:
1) Reset the oil replacement reminder (“MAINT REQD”) light after replacing engine oil, if vehicle is equipped with this light.
2) Initial replacement at 100,000 miles/120 months. Replace every 50,000 miles/60 months thereafter. Refer to "Engine Coolant" in the "Explanation of Maintenance Items" section in the back of this guide for more information.

Nov 30, 2009 | 2004 Toyota RAV4

1 Answer

I just reached the 100,000 mile mark. Any


Hello, according to Snap-On / Shopkey / General Drivers,
For your 2004 Ford Taurus:
1. Inspect Accessory Drive Belt 2. Perform Multi-Point Inspection (Recommended) 3. Replace Engine Coolant 4. Replace Engine Oil 5. Replace Engine Oil Filter 6. Replace PCV Valve 7. Replace Spark Plugs 8. Rotate Tires.
This is going by the general consensus from Snap-On tools and Ford Motor Co. Hope this helps :)

Nov 21, 2009 | 2004 Ford Taurus

2 Answers

Just reached 100,000 miles, chech engine light


Go get an OBDII check and it should tell you, i dont think there is any corrielation between the milage and the check engine light

Oct 15, 2009 | 2002 Lexus IS 300

2 Answers

Check engine lite on car rides fine mechanic said catalitic coverter is no good


if cat is no good car wouldbe sluggish, usually lights come on at certain mileage intervals reminding of vehicle maint

Aug 05, 2009 | 2005 Chevrolet Cobalt

2 Answers

How do you get to the set of spark plugs along the fire wall on a 3.4L 2005 Buick Rendezvous


Obviously, the front three are fairly easy to reach. The rear three are the real problem. The easiest way to do the rear three is to jack the front of the vehicle up, crawl underneath until you can see the back of the engine from the ground, get real comfortable, making sure the engine and exhaust are cooled down, reach your arm up and pull the boots, very carefully.... then replace the spark plugs. You will not be able to see the plugs themselves, but this seems to be the easiest way to change them. Make sure you have a swivel spark plug socket and extensions and replace the spark plugs with platinum plugs so you can get another 100,000 miles and make sure you have anti seize so you can remove the plugs again in the future. The golden rule is that the engine has platinum plugs in there now and there good for 100,000 mile, if there are no misfire try not to change them unless you think your close to the end of the spark plug life or the check engine light came one to indicate that there are misfires. Good luck and hope this helps. 

Jun 22, 2009 | 2005 Buick Rendezvous

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