ABOUT 3 MONTHS AGO MY TIRE PRESSURE LIGHT CAME ON, I ADDED AIR AND TRIED TO RESET THE LIGHT. ITS NOT IN MY RADIO ANYMORE. ITS LIKE THE COMPUTER ERASED THAT FUNCTION. BOUT 2 WEEKS AFTER THAT I WAS LEAVING FOR WORK AND HAD NO POWER. THE ENGINE REVS UP BUT ITS LIKE THE TRANSMISSION WONT KICK DOWN. THERE IS ALSO A BAD SHAKE WHEN SITTING STILL I KNOW THERE IS SOMETHING UP W/ FUEL B/C IM GOING THROUGH GAS LIKE CRAZY. ROUGHLY GETTING 17MPG. ITS VERY SCARY TRYING TO GET ON THE INTERSTATE WHEN THERE IS ON COMING TRAFFIC. YOU NEVER KNOW WHEN THE POWER IS ACTUALLY GOING TO PICK UP! DONE TRANS FLUSH, PRESSURE CONTROL VALVE ON TRANY, TUNE UP, BCM, CHECKED THE CAT, CHECKED MAF SENSOR, CHANGED FUEL PUMP, PRESSURE REGULATOR TOO MANY TO LIST. THE CAR IS ROUGHLY AT 94,000 MILES ANY OTHER SUGGESTIONS
I had the same issue with my 2001 impala not having any power...mine was the cat. convertor also but after I paid to have it fixed I went thru my glovebox & found a recall letter that I got years ago. If I would have read it first it would have been a free fix. I think as long as less than 120,000 miles on the car it would be done for free. You may want to call GM if you don't have this recall letter.
We have a 2001 Chevy Impala as well. About 3 months ago, we encountered the same symptoms. The catalytic converter was bad and had to be changed out. The cost, for a universal catalytic converter, was about $300 but this fixed the problem. I hope this helps.
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On a 2002 Impala, the tire pressure monitor can be reset using the interrior light switch.
With the key in the "ON" position, turn the interrior lamps from OFF to ON three times within 3 seconds. The TPMS light should go out. If it does not go out, repeat the procedure. If it still does not go out, then you may need to have your tire monitoring system diagnosed and repaired.
Page 2-46 of your owners manual. If you don't have one you can get on online version from the chevrolet website. Just click the owners link at the top of the page.
TIRE MON (Tire Inflation Monitor Reset) This feature allows you to reset the tire pressure monitor after checking all tire pressures. To clear the LOW TIRE PRESSURE light from the instrument panel cluster and reset the low tire pressure monitor do the following:
1. Scroll, using the SEEK/PSCAN up or down arrows, until TIRE MON appears on the display. 2. Press the PREV or NEXT button to enter the submenu. RESET will be displayed. 3. Press the TUNE/DISP button to reset. A chime will be heard to verify the new setting and DONE will be displayed for one second.
The Low Tire Pressure Indicator must be reset using the Radio. This can only be performed if you have the factory radio installed in the vehicle. This vehicle does not come with an active tire pressure management system, and as such, this light must be reset manually.
1.) Turn Radio Off
2.) Hold down disp button for 10 seconds
3.) Setup Menu should display
4.) Scroll through menu to view "Tire Pressure" (use seek buttons)
5.) Select the Tire Pressure option (Press Radio Button 1)
6.) Reset should be displayed on screen (Press disp button)
7.) Tire Pressure Light should reset
CHEVY IMPALA &
On a Chevy Impala or Monte Carlo with indirect TPMS, a totally
different reset procedure is required. You can use the light switch or
radio to reset the system. With the light switch procedure, turn the
ignition on (engine off), the turn the light switch from OFF to parking
lamps three times within five seconds. With the radio technique, turn
the ignition on (engine off). With the radio off, hold the DISP button
until “SETTINGS” is displayed. Use the SEEK button to scroll down the
menu until you see “TIRE MON.” Press the PREV or NEXT buttons until
“RESET” is displayed. Then press the DISP button again. You should
hear a chime and see “DONE” to indicate the TPMS system has been
successfully reset. Use the SEEK button to scroll through the menu
until “DONE” is shown, then press DISP once more to exit from the learn
The tire senser can be reset with a skanner that most trie stores should do for free. You deck instaler may have unplugged the passager air bag, shame on them. Your deck man may have caused the other problems too and it may not have the tire moniter without the stock radio.
1. turn the ifnition to ACC or ON and turn the radio off 2. press and hold the DISP button on the radio for at least five seconds until SETTINGS is displayed 3. press the SEEK up or down arrow to scroll through the main menu 4. Scroll until TIRE MON appears on the display 5.press the PREV or NEXT button to enter the submenu. RESET will be displayed. 6. press the DISP button to reset. A chime will be heard to verify the new setting and DONE will be displayed for one second. 7.Once the monitor has been reset, scroll until EXIT appears on the display 8.Press the DISP button to exit programming. A chime will be heard to verify exit. The system completes the calibration process during driving This only works if you have a RDS system on the radio.
If by low air air pressure, you mean the tire pressure sensor, here is the way to reset.
To reset (calibrate) the system: The tire pressure
monitor system can be reset two ways. With the ignition position at ON,
pull the interior lamps control to the ON and OFF settings three times.
It can also be reset through the radio using the
1. Turn the ignition to ACC or ON and turn the radio off.
2. Press and hold the TUNE DlSP button on the radio for at least five seconds until SETTINGS is displayed.
3. Press the SEEK SCAN up or down arrow to scroll through the main menu.
4. Scroll until TIRE MON appears on the display.
5. Press the 1 PREV or 2 NEXT button to enter the submenu. RESET will be displayed.
6. Press the TUNE DlSP button to reset. A chime will be heard to
verify the new setting and DONE will be displayed for one second.
7. Once the monitor has been reset, scroll until EXIT appears on the display.
8. Press the TUNE DlSP button to exit programming. A chime will be heard to verify exit.
The system completes the calibration process during
driving. The system normally takes 15 to 20 minutes of driving
in each of three speed ranges to "learn" tire pressures. The speed
ranges are 15 to 40 mph (25 to 65 km/h), 40 to 65 mph (65 to 105 km/h)
and above 65 mph (105 km/h). When learning is complete, the system will
alert you after two to eight minutes if a tire is 12 psi (83 kPa)
different from the other three tires. Detection thresholds may be
higher and detection times may
be longer on rough roads, curves and at high speeds. The system is not
capable of detection at speeds greater than 70 mph (110 km/h).
Almost all of the message center items are accessed through the menu on
the radio. You should be able to find what you need be getting in the
menu and looking around. Hope this is what you were looking for?