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2003 Buick Century - Page 3 Questions & Answers
Tune-up 2003 buick century locating spark plugs
I am assuming you have a 3.1 v6 engine the spark plugs are 3 right in the front next to the oil dipstick and above the exhaust manifold you can follow the wires from the coil to find each plug. The other 3 are on the back side of the engine and can be difficult to get to. Easiest way is to remove the upper engine mounts and tilt the engine forward a few inches with a ratchet strap or something to gain clearance. MAKE SURE it is secure because your arms will be back there. And those three plugs are in the same location as others just on the opposite side of the engine.
My 2003 buick century custom has dashboard lights on--how to reset Service Vehicle Soon, Trak light off, Abs light?
You need to have it checked for DTC'S - diagnostic trouble codes to see what the problem is ,then diagnosed , then fixed ! Then the light's will go off ! This means taking it to a qualified repair shop .
SERVICE VEHICLE SOON
The IPC illuminates the SERVICE VEHICLE SOON message in the DIC when the powertrain control module (PCM) detects certain malfunctions that are not related to the emissions system. The IPC receives a class 2 message requesting illumination from the PCM.
2003 buick century spark plug wire sizing chart
I doubt very much if you will get a HT length chart to help you, but if they are all various lengths, it usually goes that the longest to the furthest plug working back to the shortest in the firing order.
leads should sit comfortably without strain or being too loose
use lead spacers to keep the leads from touching each other or you run the risk of a misfire as the spark is induced into the lead with the less resistance ( induction stroke where there is no compression)
Why is my airbag light on?
Don't have to have an accident for the light to come on ! There is a code stored in the airbag module pointing to the problem . Could have a sensor problem ,or wiring , or the module could be at fault .
The SDM performs continuous diagnostic monitoring of the SIR system electrical components. Upon detection of a circuit malfunction, the SDM will set a diagnostic trouble (DTC) and inform the driver by commanding the instrument panel cluster (IPC) to turn the AIR BAG indicator ON.
So this light only comes on when there is a malfunction in the system , not an accident . Your best bet is to take it to a ASE certified repair shop or the dealer . People have been kill trying to fix there own airbag systems not knowing how they work or how to properly test them .
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