1991-Montero-Service-Manual · trouble shooting · страница 41 из 63 · Открыть оригинал PDF ↗
| Vacuum leak | setting, see ENGINE PERFORMANCE Eliminate vacuum leak | |
|---|---|---|
| EGR valve malfunction | Replace EGR valve | |
| Poor Gasoline Mileage | Cracked or broken vacuum hoses | Replace vacuum hoses |
| Vacuum leaks | Repair vacuum leaks | |
| Defective ignition wires | Replace wires | |
| Incorrect choke setting | Readjust setting, see ENGINE PERFORMANCE | |
| Defective vacuum advance | Replace vacuum advance | |
| Defective spark plugs | Replace spark plugs | |
| Binding carburetor power piston | Eliminate binding | |
| Dirt in carburetor jets | Clean and/or replace jets | |
| Incorrect float adjustment | Readjust float setting, see FUEL | |
| Defective power valve | Replace power valve, see ENGINE PERFORMANCE | |
| Incorrect idle speed | Readjust idle speed | |
| Engine Stalls | Improper float level | Readjust float level |
| Leaking needle valve and seat | Replace needle valve and seat | |
| Vacuum leaks | Eliminate vacuum leaks |
VACUUM PUMP - DIESEL TROUBLE SHOOTING
NOTE: This is GENERAL information. This article is not intended
to be specific to any unique situation or individual vehicle
configuration. The purpose of this Trouble Shooting
information is to provide a list of common causes to
problem symptoms. For model-specific Trouble Shooting,
refer to SUBJECT, DIAGNOSTIC, or TESTING articles available
in the section(s) you are accessing.
NOTE: Diesel engines mechanical diagnosis is the same as gasoline
engines for items such as noisy valves, bearings, pistons,
etc. The following trouble shooting covers only items
pertaining to diesel engines.
VACUUM PUMP (DIESEL) TROUBLE SHOOTING CHART

