Code po 172 - 2002 Cadillac Eldorado

OMG, a new gas cap??????

fuel filter dirty,MAF sensor dirty,PCV valve open stuck,vacuum leak.

contact parts store for code analisis may have a faulty computer..

You more than likely have a blown head gasket, the engine was burning coolant and caused the o2 sensor to malfunction, you will have this problem until it is fixed. Try adding a product called BARRS LEAK to the radiator, follow the instrutions on the can.

car radio codes

the catalytic converter being clogged would cause the car to die! How does the car react when you push on the gas?

= Philips Renault Code Entry
 
Turn on the radio and the display will show 'CODE'
 
Use the Steering Wheel Remote  Controls for code entry.
 
Press the [ ¬] button then rotate the thumb wheel for the correct first digit
Press the [ ¬] button then rotate the thumb wheel for the correct second digit
Press the [ ¬] button then rotate the thumb wheel for the correct third digit
Press the [ ¬] button then rotate the thumb wheel for the correct fourth digit
 
If the correct code is now shown on screen,
press and hold the [ ¬] button for up to 10 seconds to store the code
===============

u may have a bad theromostat or ur timing may be off

If it is a PHILPS radio then try these instructions
=============================================

Philips Renault Code Entry 
 
Turn on the radio and the display will show 'CODE'
 
Use the steering controls for code entry.
 
Press the [ ¬] button then rotate the thumb wheel for the correct first digit
Press the [ ¬] button then rotate the thumb wheel for the correct second digit
Press the [ ¬] button then rotate the thumb wheel for the correct third digit
Press the [ ¬] button then rotate the thumb wheel for the correct fourth digit
 
If the correct code is now shown on screen, 
press and hold the [ ¬] button for up to 10 seconds to store the code 
===================================

===================================
Philips Renault Code Entry 
 
Turn on the radio and the display will show 'CODE'
 
Use the steering controls for code entry.
 
Press the [ ¬] button then rotate the thumb wheel for the correct first digit
Press the [ ¬] button then rotate the thumb wheel for the correct second digit
Press the [¬ ] button then rotate the thumb wheel for the correct third digit
Press the [¬ ] button then rotate the thumb wheel for the correct fourth digit
 
If the correct code is now shown on screen, 
press and hold the [ ¬] button for up to 10 seconds to store the code 
===================================