20 Most Recent 2000 Buick Century - Page 3 Questions & Answers

you have changed the immobilizer program with the new switch you need to have the key and switch reprogrammed to get the immobilizer to operate

that car dose not need to be progarmmed .

Wheel bearing would be my guess , without hearing the noise ! CV joints make a clicking sound when turning , when bad ! Have it checked by a qualified repair shop before your wheel falls off .

In this year the most common reason is a defective crankshaft position sensor, but you really need the OBD2 engine control fault codes read to confirm this fault is present. This OBD2 fault code test can be run for free by any Autozone or other chain auto parts store.

Any codes? or go to auto zone they check for free.

I would look for a loose connection either at the battery, the ground end of the cable where it attaches to the engine block, or the positive cable where it is attached to the power distribution block.

Should be on the front side near the top of the fuel tank

Do you have the correct keys now? The dealership can cut the correct keys off of the VIN number if you have proof of ownership. Without the proper transponder in the key the security system will not allow the car to start.

check fuses and relays --if sat for 2 months test battery probably dead --try to start with a boost then test battery

Inside the transmission.

Check for the presence of power at those junctures. If there then look for a bad ground. If not there you need to find out where the power is being tapped from and check out the fuses/relays in between.

You need t have the computer control module scanned for fault codes, guessing is not a cost effective way to approach the problem. But if I must guess you have a defective transmission if no fault codes are in memory.

That and many other things.

i know the relay's are It's behind the right side of the instrument panel (dashboard). There are 4 relays there. One of them is for the rear defogger so you could probably hear it click when you turn that on. The other two are for retained accessory power and for the trunk release. The relay you want to replace has orange, yellow, black and white wires.

Vehicle theft system not letting the car start ? There is a by pass procedure that cuts out the ignition lock cylinder > Coming out of the back of the lock cylinder are two wires that travel down the steering column ! These wires break inside the cylinder ,causing the resistor pellets value not to reach the BCM , causing a no start condition .You can check the value of the resistor with an ohm meter ,then go to radio shack an buy a resistor of the same value ! Find the two wires under the dash , will be white wires inside orange sheathing ! There will be a connector where these wires connect to the body wiring harrness . Solder the resistor into the body wiring connector , not wires going back to the ignition switch . This works if it is the wires inside the lock cylinder that's broken . There are videos on youtube showing how to do this ! There are a few videos on how to test this also , this how we do it at the dealer ! Before hacking up the wiring , stick the key in the ignition ,after checking resistor value . Then find the wires under the dash an check for the resistor pellet value . If the wires are broke you will not see any value . But if the value is correct there is another problem. In which case your best bet would be to take your vehicle to a qualified repair shop . You should have it check for codes In the BCM anyway .

It doesn't have a smog pump.

if the security light is on it could be the ign lock cylinder, it has two small wires attached to it and one may be broken and are the keys the ones that came with the vehicle

you can shift it at transmission by hand to neutral or park and have someone inside start the car and you manually put in gear under hood and drive it to shop or garage, wherever