Driving Through Deep Standing Water; Rough Idling; Engine Coolant Heater - Chevrolet 1994 Corvette Owner's Manual

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Driving through Deep Standing
Water
NOTICE:
If you drive too quickly through deep
puddles or standing water, water can
come in through your engine's air
intake and badly damage your
engine. If you can't avoid deep
puddles or standing water, drive
through them very slowly.
Rough Idling
If you notice rough idling or surging,
especially after long periods of idling or
during slow city driving, the oxygen
sensors may be clogged. If this happens,
follow these steps to clear the oxygen
sensors:
1. Set the parking brake.
2. Shift an automatic transmission to
"P"
(Park) or a manual transmission to
" N '
(Neutral).
tachometer reads 2,000 rpm and hold
for two minutes.
3 .
Press the accelerator until your
...
50
Engine Coolant Heater (Engine
Block Heater)
(LTI ENGINE, CANADA)
In very cold weather, 0 "F
(-
18 "C) or
colder, the engine coolant heater can help.
You'll get easier starting and better fuel
economy during engine warm-up.
Usually, the coolant heater should be
plugged in a minimum of four hours prior
to starting your vehicle.
To use the coolant heater:
1. Turn off the engine.
2. Open the hood and unwrap the
electrical cord.
3.
Plug it into a normal, grounded
1 10-volt outlet.
I
NOTICE:
After you've used the coolant heater,
be sure to store the cord as it was
before to keep it away from moving
engine parts. If you don't, it could be
damaged.

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