Kohler Command PRO CH18 Panduan Pemilik - Halaman 15

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Make sure the proper fuel filter is being used, and

it is clean and unobstructed. Replace filter only

with genuine Kohler parts.

Make sure all connections to sensors, ECU, and

fuel injectors are properly secured.

Make sure a good 12 volt battery is being used and

is fully charged.

If these checks do not correct the problem, or the MIL

remains on, further diagnosis and servicing by an

authorized Kohler Engine Dealer is necessary.

Adjustment

EFI Throttle Body

Low Idle Speed (RPM) is the only adjustment that can

be made. All other fuel calibrations are permanently

preset and controlled by the ECU. The standard low idle

speed is 1500 RPM"

RPM).

*NOTE: The actual low idle speed depends on the

application

refer to equipment

manufacturer's recommendations.

When an EFI engine is started cold, the ECU will be

using internal programming for cold running, and the

idle speed may vary from the manual setting. Do not

attempt to perform any readjustment during this "warm-

up" period.

If adjustment is to be made, the engine must be at

operating temperature, air cleaner in place, and check

engine light must be off (no fault codes present).

1. Start the engine and run at half throttle for 5 to 10

minutes to warm up.

Place the throttle control into the "id1e"or "slow"

position.

3. Turn the low idle speed adjusting screw in or out

and check RPM with a tachometer. See Figure

17.

Adiustina Screw

Figure

17,

EFI Throttle Body Manifold.

Troubleshooting

When troubles occur, be sure to check the simple causes which, at first, may seem too obvious to be considered.

For example, a starting problem could be caused by an empty fuel tank. Some common causes of engine troubles

are listed in the following table.

Do not attempt to service or replace major engine components, or any items that require special timing or

adjustment procedures. Have your Kohler Engine Service Dealer do this work.

Possible Cause No

Improper

Dirt In

Dirty

Incorrect

Engine

Dirty Air

Faulty

Problem

Fuel

Fuel Fuel Line/System Grass Screen Oil Level

Overloaded

Cleaner

Spark Plug

Will Not Start

Hard Starting

Stops Suddenly

Lacks Power

Operates Erratically

Knocks or Pings

Skips or Misfires

Backfires

Overheats

High Fuel Consumption