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To prevent ignition and fuel-injection operation while the engine is being cranked, remove both the ...
Views: 274
Filesize: 1.14MB
Date: May 30, 2017
 The tools and equipment needed to perform a compression test include a compression gauge, an air ...
Views: 359
Filesize: 1.01MB
Date: May 30, 2017
 A tester that uses a blue liquid to check for exhaust gases in the exhaust, which would indicate a ...
Views: 321
Filesize: 1.42MB
Date: May 30, 2017
 A technician-made adapter used to test exhaust system back pressure.
Views: 320
Filesize: 520.38kB
Date: May 30, 2017
A needle that drops to near zero when the engine is accelerated rapidly and then rises slightly to ...
Views: 311
Filesize: 54.37kB
Date: May 30, 2017
 A steady needle reading that rises 2 or 3 inches Hg when the engine speed is increased slightly ...
Views: 344
Filesize: 14.24kB
Date: May 30, 2017
 A steady needle reading that drops 2 or 3 inches Hg when the engine speed is increased slightly ...
Views: 347
Filesize: 14.41kB
Date: May 30, 2017
 Weak valve springs will produce a normal reading at idle, but as engine speed increases, the needle ...
Views: 353
Filesize: 49.35kB
Date: May 30, 2017
If the needle drops 1 or 2 inches Hg from the normal reading, one of the engine valves is burned or ...
Views: 341
Filesize: 46.45kB
Date: May 30, 2017
 A rapidly vibrating needle at idle that becomes steady as engine speed is increased indicates worn ...
Views: 320
Filesize: 50.33kB
Date: May 30, 2017
 An oscillating needle 1 or 2 inches Hg below normal could indicate an incorrect air–fuel mixture ...
Views: 306
Filesize: 50.79kB
Date: May 30, 2017
 A leaking head gasket can cause the needle to vibrate as it moves through a range from below to ...
Views: 323
Filesize: 25.03kB
Date: May 30, 2017
A gauge reading with the needle fluctuating 3 to 9 inches Hg below normal often indicates a vacuum ...
Views: 364
Filesize: 49.67kB
Date: May 30, 2017
 A steady but low reading could indicate retarded valve or ignition timing.
Views: 328
Filesize: 44.39kB
Date: May 30, 2017
 An engine in good mechanical condition should produce 17 to 21 inches Hg of vacuum at idle at sea ...
Views: 383
Filesize: 96.02kB
Date: May 30, 2017
 Using a vacuum hose and a test light to ground one cylinder at a time on a distributorless ignition ...
Views: 397
Filesize: 121.4kB
Date: May 30, 2017
A whistle stop used to find top dead center. Remove the spark plug and install the whistle stop, ...
Views: 326
Filesize: 369.61kB
Date: May 30, 2017
 A typical handheld cylinder leakage tester.
Views: 266
Filesize: 1.64MB
Date: May 30, 2017
 Badly burned exhaust valve. A compression test could have detected a problem, and a cylinder ...
Views: 387
Filesize: 309.87kB
Date: May 30, 2017
 Use a vacuum or fuel line hose over the spark plug to install it without danger of cross-threading ...
Views: 354
Filesize: 167.1kB
Date: May 30, 2017
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