Check the fan control
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The fan should turn on whenever the engine temperature reaches a certain point. If the fan does NOT come on, the cooling system is not able to dissipate the excess heat. Yes, it can cause the engine to overheat.
There could be a few reasons why a 2000 Chevy Impala shuts off while driving. There could be a problem with the fuel pump, a bad spark plug, or even a loose battery cable.
fuel pump might be going out
One issue with a 2001 Chevy Impala hard shifting could be the pressure control solenoid. The car may also need something as simple as more transmission fluid.
No. The 2000-2005 Grand-Am uses a 4T45-E TRansmission, while The 2000 - 2005 Impala Use a 4T65-E.
It should be idling at approximately 625 rpm while the engine is warm.
I'd check the coolant level first, then the thermostat.
If overheating while moving it could be brakes dragging or emergency brake on or bad bearings in wheel. If overheats when idling could be bad timing, seized alternator or idler pulley bearings.
If your Impala jerks while going up hills, it could be low on transmission fluid. If it does not do it on level ground, check the fluid and replace the filter.
I know that on my 1998 Silverado, if I but the parking brake on, the fulltime headlites turn off while I'm sitting and idling.
While there are many wonderfully made 2012 Chevy cars, such as the Chevy Impala, according to Kelly Blue Book, the Chevy Camaro holds it's resale value the best.