20 Most Recent 1994 Buick Century - Page 6 Questions & Answers

instrument panel voltage regulator

possible bad crankshaft sensor, possible egr valve ports in intake passages plugged up with carbon, check for vacuum leak

it has a seperate fuse and relay from the rest of the control head

Brake lines by rear door on drivers side are a common failure point. lines under door failing can cause a total brake failure. Just replace and bleed the lines.

faulty or bad relay. Get a haynes manual to find where it is located. Gently tap the relays a few times to make sure that they aren't just stuck open.

Should be in the small ac line going to the condenser.

Headlight switch or dimmer switch ?

it is either the headlight switch or the relay for the headlights

The engine in this car is controlled by a computer, whenever a problem like this occurs a fault code is almost always recorded for the event in history memory of the computer. You need a shop to read this code and perform eh proper diagnostics report the problem. Knowing this make i would say the CKP sensor is defective.

do you have 12volts and ground to the pump?

will it eventually pull out at the red light,,does it REV high ?

This car has a park lock safety system that is released by the application of the brake pedal, so the first thing to do is verify the battery is good, if that is ok then check the brake lights, they must work to release park.

Check your battery voltage, sound to me like your battery cold cranking amps is low. Its enough the power the lights but not turn the engine over. Have the battery replace