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Some IAC units are purchased with the housing as shown. Carbon buildup in these passages can cause ...
Views: 363
Filesize: 698.51kB
Date: May 31, 2017
 A typical IAC.
Views: 269
Filesize: 500.22kB
Date: May 31, 2017
 An IAC controls idle speed by controlling the amount of air that passes around the throttle plate. ...
Views: 421
Filesize: 74.09kB
Date: May 31, 2017
 A set of six reconditioned injectors. The sixth injector is barely visible at the far right.
Views: 289
Filesize: 1.83MB
Date: May 31, 2017
A typical peak-and-hold fuel-injector waveform. Most fuel injectors that measure less than 6 ohms ...
Views: 2480
Filesize: 115.08kB
Date: May 31, 2017
 The injector on-time is called the pulse width.
Views: 585
Filesize: 96.42kB
Date: May 31, 2017
 A digital storage oscilloscope can be easily connected to an injector by carefully back-probing ...
Views: 491
Filesize: 143.43kB
Date: May 31, 2017
 An injector tester being used to check the voltage drop through the injector while the tester is ...
Views: 356
Filesize: 1.47MB
Date: May 31, 2017
Connect a fuelpressure gauge to the fuel rail at the Schrader valve.
Views: 381
Filesize: 1.85MB
Date: May 31, 2017
 If an injector has the specified resistance, this does not mean that it is okay. This injector had ...
Views: 335
Filesize: 1.17MB
Date: May 31, 2017
 In a multiair engine design, the exhaust valves are opened by the exhaust camshaft lobes. Intake ...
Views: 374
Filesize: 493.21kB
Date: May 31, 2017
 To measure fuel-injector resistance, a technician constructed a short wiring harness with a double ...
Views: 390
Filesize: 1.48MB
Date: May 31, 2017
Connections and settings necessary to measure fuel-injector resistance.
Views: 396
Filesize: 88.06kB
Date: May 31, 2017
 Use a DMM set to read DC volts to check the voltage drop of the positive circuit to the fuel ...
Views: 434
Filesize: 77.69kB
Date: May 31, 2017
 The connector is unplugged from the injector and a noid light is plugged into the injector ...
Views: 335
Filesize: 426.64kB
Date: May 31, 2017
 Noid lights are usually purchased as an assortment so that one is available for any type or size ...
Views: 438
Filesize: 461.59kB
Date: May 31, 2017
Shutoff valves must be used on vehicles equipped with plastic fuel lines to isolate the cause of a ...
Views: 363
Filesize: 1.5MB
Date: May 31, 2017
 Checking the fuel pressure using a fuelpressure gauge connected to the Schrader valve.
Views: 399
Filesize: 1.95MB
Date: May 31, 2017
 Using a scan tool to check for IAC counts or percentage as part of a diagnostic routine.
Views: 399
Filesize: 1.6MB
Date: May 31, 2017
 Fuel should be heard returning to the fuel tank at the fuel return line if the fuel-pump and ...
Views: 407
Filesize: 601.9kB
Date: May 31, 2017
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