20 Most Recent 2002 Buick Century - Page 3 Questions & Answers

if both lost go to dealer with vin number and proof of ownership and they can cut you new ones

Change oil and filter no flush!!!Add two bottles of Lucas no slip.

That's why you don't let you husband work on your car ! Unless he does it for a living .. For MPH there is a VSS - vehicle speed sensor , for the gas there is a sending unit in the fuel tank, for the temp. gauge there is a temp. sensor located in coolant stream on the engine .You more then likely need to have you instrument cluster repaired . GM had a problem with step motors inside the instrument cluster . A step motor is what controls the individual gauge. The sensors are all inputs to the PCM - powertrain control module (engine computer ) . Engine Coolant Temperature Gage The IPC displays the engine coolant temperature as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the engine coolant temperature. The engine coolant temperature gage defaults to C or below if: ?€¢ The PCM detects a malfunction in the engine coolant temperature sensor circuit.

?€¢ The IPC detects a loss of class 2 communications with the PCM.

Fuel Gage The IPC displays the fuel level as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the fuel level percent. The fuel gage defaults to empty if: ?€¢ The PCM detects a malfunction in the fuel level sensor circuit.

?€¢ The IPC detects a loss of class 2 communications with the PCM.

When the fuel level is less than 14% (84ohms), the low fuel indicator illuminates. Odometer The IPC contains a season odometer and a trip odometer. Momentarily press the trip select/reset switch in order to toggle between the season odometer and the trip odometer. Press the trip select/reset switch for greater than 1.5 seconds, while the trip odometer is displayed, in order to reset the trip odometer. The IPC displays the vehicle mileage and trip mileage as determined by the IPC. The IPC calculates the mileage based on the vehicle speed information from the PCM. The odometer will display 'error' if an internal IPC memory failure is detected. PRNDL Display The IPC displays the selected gear position as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the gear position. The PRNDL display shall flash all gear positions if: ?€¢ The PCM detects a malfunction in the transmission range switch circuit.

?€¢ The IPC detects a loss of class 2 communications with the PCM.

Speedometer The IPC displays the vehicle speed based on the information from the PCM. The PCM converts the data from the vehicle speed sensor to a 4000 pulses per mile signal. The IPC uses the vehicle speed signal circuit from the PCM in order to calculate the vehicle speed. The speedometer defaults to 0 mph (0 kph) if a malfunction in the vehicle speed sensor circuit exists. Tachometer The IPC displays the engine speed as determined by the PCM. The IPC receives a class 2 message from the PCM indicating the engine speed. The tachometer will default to 0 rpm if: ?€¢ The PCM detects a malfunction in the engine speed sensor circuit.

?€¢ The IPC detects a loss of class 2 communications with the PCM.

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Steve below shows how to master cylinder. "I hope this helped you out, if so let me know by pressing the helpful button. Check out some of my other posts if you need more tips and info." How to Replace Master Cylinder EricTheCarGuy Brake Master Cylinder Replacement in 2002 Pontiac Grand Prix DIY https://www.google.ca/url?sa=t&rct=j&q=&esrc=s&source=web&cd=3&cad=rja&uact=8&ved=0ahUKEwjuoZmtuZvLAhVkuoMKHeAGBR0QtwIIITAC&url=https%3A%2F%2Fwww.youtube.com%2Fwatch%3Fv%3DUz4OwuUGVOA&usg=AFQjCNHZXFwnK0Ko_yJ_Wsgr0sguac_Syw Replacing Your Brake Master Cylinder See How Its Done

do you stop your car then dies? or you turn the key off and will not restart?

Disconnect the negative battery cable for 5 min. reconnect Hope this helps Mike

Theres somethin wrong...scan it at a partstore for codes. Dont rush into buying a part if car stil runs. Get mor info. It cud b just a vacuumleak or computr needs reboot by unhookn batt

You need new multifunction switch !

Not start how ? Engine cranks - no start or when you turn the key to the start position nothing happens , that's a no crank - no start condition . Both have different trouble shooting steps !

Nest time you can not get it out of park take a look at the brake lights. If the brake lights are not illuminating than you possibly have a bad brake switch. The solenoid that holds the shift lever in park is released when the brake pedal is depressed. If the brake switch is not working the gear shift will not move. I’m happy to assist further over the phone at https://www.6ya.com/expert/jeremy_d728a59f986299fa

There are adjustable , How to Adjust Align and Aim Headlights and Fog Lights PERFECTLY

It's the "someone is trying to steal me" sensor that plagues us all with GM cars during that time frame. They can program the computer to ignore it, but they charge about $200 for it. It actually occurs as the ignition gets worn, and starts to feel the key a little less, and thinks that someone it trying to pick it.

There are 2 capped ports the low and high sides. The freon gauge set will only fit on one of the two ports. The low side. Run the ac attach the freon hose and add as necessary I’m happy to help further over the phone at https://www.6ya.com/expert/david_66a56a0239b6ab32