The trouble with Tire Pressure Sensors (TPS) is that they are in my opinion, too sensitive. Even a drop in tire pressure of 2 PSI seems to set them off. You may notice that the light comes on in the morning (when it's cool) but goes off after a short drive. Once your tires have warmed up (either from an outside temperature increase or by road friction) the air in the tire expands, increasing the tire pressure slightly, -usually satisfying the TPS and the light goes out.
I've used both of these methods to solve this issue: Get your tires filled with nitrogen (less expansion/contraction than air) or you could increase the tire pressure at the air filling station by few PSI.
SOURCE: the check tire pressure light and ABS auto
The tire pressure monitor detects any changes in the tire inflation
pressure. Therefore, it must initialize and store it in its memory if
the tires or wheels have been replaced, re-inflated or the tires have
been rotated. You should be able to re-initialize the system by following these
steps:
1. check and make sure that your tires are inflated to the correct pressure
2. turn the ignition switch to the ON position. If the low tire
pressure warning light comes on, push and hold the tire pressure
warning reset switch (think the switch is in the glovebox, but not sure) until the warning light turns
off and then release the switch.
3. now press and hold the tire pressure warning reset switch until the low tire pressure warning light blinks three times.
4. initialization is *not* completed until driving at the vehicle speed
of 19 mph or over for more than one hour. the tire pressure monitoring
starts when initialization is completed.
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SOURCE: how to reset tire pressure sensor light on 2007
To reset the tire pressure light you need to get the tool.
You can get the tool here on link below.
http://cgi.ebay.com/ebaymotors/FORD-OEM-TIRE-PRESSURE-MONITOR-RESET-TOOL-TPMS-RESET_W0QQcmdZViewItemQQhashZitem45eed5e149QQitemZ300359737673QQptZMotorsQ5fAutomotiveQ5fTools
SOURCE: 2004 Honda CRV Check Engine light
the check engine lamp is not affected by things like tyres, brakes etc. It shows that the vehicles engine management system had detected a fault with the engine or engine sensors. Check the engine for broken or disconnected wiring (maybe it was disconnected during the replacing of the hoses but not reconnected). If you fail to locate anything, check the manual for the correct fault code retrieval procedure or take the vehicle to a professional. Tyres may affect your ABS system or Airbag systems but they usually have their own warning lamp and are unrelated to the check engine lamp..
SOURCE: My tire pressure sensor came
Turn the ignition key to on position, pump the gas pedal to the floor 3 times, turn the key off, then on. It should be out then. Hope this helps you!
SOURCE: 2010 Chevrolet Camaro... My TPMS
There is a Technical Service Bulletin (TSB) for your vehicle stating that if the light is blinking and if there are dashes (- -) on only one or two tire pressure readings, then the tire presure monitoring system should be put through a "Relearn" or "matching" process. Then if any of the tire pressure sensors do not respond while relearning, the sensor in that tire should be replaced.
The TPMS matching process is outlined below:
1. Set the parking brake.
2. Turn the ignition switch to ON/RUN with the engine off.
3. Go to the TPM vehicle information screen on the DIC. Press set to relearn the sensors. The horn sounds twice to signal the receiver is in relearn mode and Tire Learning Active message displays on the Driver Information Center screen.
4. Start with the driver side front tire.
5. Remove the valve cap from the valve stem. Activate the TPMS sensor by increasing or decreasing the tire's air pressure for 10 seconds, or until a horn chirp sounds. The horn chirp, which can take up to 30 seconds to sound, confirms that the TPMS sensor identification code has been matched to this tire position.
6. Proceed to the passenger side front tire, and repeat the procedure in Step 5.
7. Proceed to the passenger side rear tire, and repeat the procedure in Step 5.
8. Proceed to the driver side rear tire, and repeat the procedure in Step 5.
9. After hearing the confirming horn chirp, for the driver side rear tire, the horn sounds two more times to signal the tire learning mode is no longer active. Turn the ignition switch to LOCK/OFF.
10. Set all four tires to the recommended air pressure level as indicated on the tire and loading information label.
11. Put the valve caps back on the valve stems.
The tires air pressure will not appear on the screen until you start driving the vehicle.
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