Buick Century - Recent Questions, Troubleshooting & Support
2001 Buick Century 3.1 liter,
this happened to us on vacation. Catalytic coverter was plugged. It did this for a long time before overheating on a road trip. Have someone reputable check it, if it is hesitating a lot.
2003 Buick Century. Have to reset ECU before car starts!
Hi Chris Johnson,
what engine is there. NO MILES TOLD(ODOMETER)
a Gen 6 car!
no engine told of these gen6
China
2.0 L L34 I4
2.5 L LB8 V6
3.0 L LW9 V6
North America
3.1 L L82/LG8 V6<< which one
google vin decoder tell them and get the engine code and share it. "J" CODE IS LG8
LG8 is my guess, if USA aRE YAH?
405 is egr failing, can be hard to clean and fix it.
336 is crankshaft position sensor= CKP
causes are CKP bad, or wires to it a mess
or bad cam drive bad chain,or its guide or both mostly.
or yes below.(rare to fail ever)
yes the harmonic balancer does have
the CKP tone wheel inside.
if it looks ok is is ok, no bends there.
the CKP sensor , senses those cut outs. to fire and inject fuel.
3.1 engine, evap switch, 2 side hoses, where does the 3rd one go
one hose goes to the intake manifold, the other goes to the evap switch,there are two valves, one a purge valve and the other a evap switch,the purge valve has one hose going to the intake and the other hose goes to switch, then then switch has another hose that goes to evap canister,eveh better heres a diagram, hope this helps,
93 buick century -turn signals
The Buick Century uses separate relays for the hazard warning and turn signal functions. The turn signal relay is located on the accelerator pedal bracket, and the 4-way flasher relay is located on the convenience center near the left kick panel. Try switching these two relays with one another to see if your turn signals work instead of your 4-ways.
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