2005 Pontiac Grand Prix Logo
Posted on Mar 24, 2009
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Engine light on

For about three months now my engine light in my car has been on, this problem did not occur until I had a routine oil change at the dealer ship. the dealership claimed that I had a slow leak in my transmission and some other problems. Took the car to auto zone let them put it on computer, totally different problems. they said its the CATALYTIC CONVERTER

1 Answer

buffalowbill

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  • Expert 46 Answers
  • Posted on Mar 24, 2009
buffalowbill
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Joined: Mar 16, 2009
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Your check engine light is to warn you of emission problems. so the cat sounds more likely the problem.

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0helpful
1answer

Will the check engine light come on when it is time for an oil change?

Mostly no. The engine check light is for emission-related faults but to be certain I suggest you check your vehicle handbook. Mostly there is a service indicator to warn when oil service and routine maintenance is needed.

I have heard some vehicles have an engine check light that is triggered by a low oil level but only because the engine management puts the engine on a reduced power programme when the oil level is allowed to become low.
tip

Your vehicle's routine maintenance schedule

Reasons to perform routine Preventive Maintenance on your vehicle

Preventive Maintenance is a schedule of planned maintenance actions aimed at the prevention of breakdowns and failures. The primary goal of preventive maintenance is to help prolong the life of the vehicle and reduce vehicle failures therefore providing a worry free driving experience. Automotive technicians say the key to keeping vehicles running well today and down the road, is routine preventive maintenance. Many drivers tend to stall when it comes to keeping up with some everyday automotive basics. Maintenance

A recent survey by the Car Care Council found:

* 38 percent of cars had low or dirty engine oil.
* 54 percent had low tire pressure.
* 28 percent had inadequate cooling protection.
* 19 percent needed new belts.
* 16 percent had dirty air filters.
* 10 percent had low or contaminated brake fluid.
Some of the most important preventive maintenance steps you can do yourself and save you some time and money. Here is a quick list of some of the most common preventive maintenance steps that you should be able to handle yourself.
Airfilter: Check it every month. Replace it when it becomes dirty or as part of a tune -up. It is easy to reach, right under the big metal 'lid', in a carbureted engine; or in a rectangular box at the forward end of the air in a duct hose assembly.
Battery: Extreme caution should be taken while handling a battery since it can produce explosive gases. It is advisable not to smoke, create a spark or light a match near a battery. Always wear protective glasses and gloves.
Belts: Inspect belts and hoses smoothly. Replace glazed, worn or frayed belts. Replace bulging, rotten or brittle hoses and tighten clamps. If a hose looks bad, or feels too soft or too hard, it should be replaced.
Brake Fluid: Check the brake fluid monthly. First wipe dirt from the brake master cylinder reservoir lid. Pry off the retainer clip and remove the lid or unscrew the plastic lid, depending on which type your vehicle has. If you need fluid, add the improved type and check for possible leaks throughout the system. Do not overfill.
Engine Oil; Check the oil after every fill up. Remove the dipstick, wipe it clean. Insert it fully and remove it again. If it is low, add oil. To maintain peak performance, the oil should be changed every 3,000 miles or 3 months, whichever comes first. Replace the oil filter with every oil change.
Exhaust: Look underneath for loose or broken exhaust clamps and supports. Check for holes in muffler or pipes. Replace the rusted or damaged parts. Have the emission checked at once per year for compliance with local laws.
Hoses: Inspect the hoses and belts monthly. If a hose looks bad, or feels too soft or too hard, it should be replaced.
Lights: Make sure that all your lights are clean and working, including the brake lights, turn signals and emergency flashers. Keep spare bulbs and fuses in your vehicle.
Oil Filter: To maintain peak performance, change oil every 3 months or 3,000 kms whichever comes first. Replace oil filter with every oil change.
Power Steering Fluid: Check the power steering fluid level once per month. Check it by removing the reservoir dipstick. If the level is down, add fluid and inspect the pump and hoses for leaks.
Shock Absorbers: Look for signs of oil seepage on shock absorbers, test shock action by bouncing the car up and down. The car should stop bouncing when you step back. Worn or leaking shocks should be replaced. Always replace shock absorbers in pairs.
Tires: Keep tires inflated to recommended pressure. Check for cuts, bulges and excessive tread wear. Uneven wear indicates tires are misaligned or out of balance.
Transmission Fluid: Check transmission fluid monthly with engine warm and running, and the parking brake on. Shift to drive, then to park. Remove dipstick, wipe dry, insert it and remove it again. Add the approved type fluid, if needed. Never overfill.
Washer Fluid: Keep the windshield washer fluid reservoir full. Use some of it to clean off the wiper blades.
Wiper Blades: Inspect the windscreen wiper blades whenever you clean your windshield. Do not wait until the rubber is worn or brittle to replace them. They should be replaced at least once per year, and more often if smearing occurs. Remember, preventive maintenance is easy and you will benefit from it in the long run by saving yourself time and money at the repair shop.
0helpful
1answer

Reset change oil light

Driver Information Center (DIC) Equipped

Step 1 of 5

Place the key in the ignition and then turn it to the On/ACC position with the engine off.

Step 2 of 5

Press the "mode" button on the DIC until "Oil Life Left/Hold Set to Reset" is displayed on the DIC screen.

Step 3 of 5

Press the "set" button and hold it down until "100%" is displayed on the DIC display screen.

Step 4 of 5

Wait until three brief chimes emit before turning the ignition key back to the off position.

Step 5 of 5

Start the engine of the Aztec to ensure the oil warning light ("Change Engine Oil") is no longer illuminated on the instrument panel. If it still is, repeat the procedure.

Non-DIC (Manual Change Oil Light)

Step 1 of 4

Insert the key into the ignition and turn it to the ON/ACC position with the engine off.

Step 2 of 4

Step on the accelerator pedal fully to the floor three times within five seconds.

Step 3 of 4

Turn the ignition key to the off position.

Step 4 of 4

Start the engine to ensure the oil warning light is no longer illuminated on the instrument panel. If it is,repeat the procedure.
2helpful
2answers

My check oil light is on, checked oil and it is fine. Just had it changed last month. No oil leaks. What could it be?

you have to reset it by holding the trip reset button and hold it while turning the key but not to start it and keep holding until check oil light flashes
1helpful
1answer

1. How do i reset the 'change oil light'? 2. Do this car take a tune-up?

It depends on whether you have the optional Driver Information Center or not.

If not, turn the key to the "ON" position, without starting the engine. Press the accelerator pedal to the floor and release three (3) times within five (5) seconds, then turn the key OFF. If the oil change light comes back on when you start the engine, it did not reset, and you will have to try again.

If you have the optional Driver Information Center (DIC), turn the key to the "ON" position, without starting the engine, Press the MODE button on the DIC until it reads "OIL LIFE LEFT/HOLD SET TO RESET", then press and hold the SET button until 100% is is shown. You will hear three (3) chimes, and the "CHANGE ENGINE OIL" light will go off. Turn the key to "OFF".

That's it.

And yes, every car with spark plugs, filters, etc. "takes" a tune-up.
2helpful
1answer

Engine missing Have to change sparkplugs every three months to stop problem.This is not normal what is the problem 2000 ford range 4.0 119,000 miles.When I accelerate the tranmission change the engine...

First replace oil and filter in the transmisson next replace the spark plug wires and coat both ends of the wire with dielectric greese this should eliminate your problems. Also do a top engine clan to get rid of carbon build up and clean te throtle plate front side and back plus the port hole the plate is located in. Whith the throttle plate not fully closed it allows unburnt fuel to be depostied on the plate and causes it to run poorly.
0helpful
2answers

Oil change indicator does not reset

TURN IGN ON
PRESS THE TRIP BUTTON REPEATEDLY UNTIL OIL LIFE IS DISPLAYED WHERE YOUR MILEAGE DISPLAYS
IT WILL FLASH OIL LIFE THEN RESET HOLD BUTTON UNTIL YOU HEAR THREE CHIMES
SWITCH OFF IGN
4helpful
1answer

Change oil light reset?

Hi Shady, here is the procedure for resetting the light.
Resetting Procedure
Follow this procedure to reset the GM Oil Life System™
  1. Turn the ignition to RUN, with the engine off.
  2. Fully press and release the accelerator pedal three times within five seconds.
  3. If the CHANGE OIL SOON light flashes, the system is resetting.
  4. Turn the key to OFF after the light has finished flashing, then start the vehicle.
  5. If the CHANGE OIL SOON light comes back on, the engine oil life system did not reset. Repeat the procedure.
With Trip Computer
  1. Press the MODE button until the light appears next to OIL LIFE.
  2. Press and hold the RESET button for three seconds. The oil life percentage should change to 100 percent.
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