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Air flows through the PCV valve during idle, cruising, and light-load conditions.
Views: 396
Filesize: 104.94kB
Date: Jun 1, 2017
 Spring force, crankcase pressure, and intake manifold vacuum work together to regulate the flow rate ...
Views: 477
Filesize: 132.11kB
Date: Jun 1, 2017
 A PCV valve shown in a cutaway valve cover showing the baffles that prevent liquid oil from being ...
Views: 413
Filesize: 1.73MB
Date: Jun 1, 2017
 Removing the EGR passage plugs from the intake manifold on a Honda.
Views: 338
Filesize: 1.25MB
Date: Jun 1, 2017
An OBD-II active test. The PCM opens the EGR valve and then monitors the MAP sensor and/or engine ...
Views: 387
Filesize: 33.57kB
Date: Jun 1, 2017
 A DPFE sensor and related components.
Views: 325
Filesize: 134.94kB
Date: Jun 1, 2017
 The EGR valve pintle is pulse-width modulated and a three-wire potentiometer provides ...
Views: 367
Filesize: 56.44kB
Date: Jun 1, 2017
 A General Motors linear EGR Valve.
Views: 423
Filesize: 1.67MB
Date: Jun 1, 2017
An EGR valve position sensor on top of an EGR valve.
Views: 380
Filesize: 1.83MB
Date: Jun 1, 2017
 A vacuum-operated EGR valve. The vacuum to the EGR valve is computer controlled by the EGR valve ...
Views: 378
Filesize: 2.04MB
Date: Jun 1, 2017
 When the EGR valve opens, exhaust gases flow through the valve and into passages in the intake ...
Views: 408
Filesize: 300.96kB
Date: Jun 1, 2017
 Notice the reddish-brown haze caused by nitrogen oxides that is often over many major cities.
Views: 383
Filesize: 1.44MB
Date: Jun 1, 2017
A hole in the exhaust system can cause outside air (containing oxygen) to be drawn into the exhaust ...
Views: 353
Filesize: 69.61kB
Date: Jun 1, 2017
 Exhaust emissions are very complex. When the air–fuel mixture becomes richer, some exhaust ...
Views: 425
Filesize: 133.5kB
Date: Jun 1, 2017
 A partial stream sampling exhaust probe being used to measure exhaust gases in parts per million ...
Views: 441
Filesize: 1.63MB
Date: Jun 1, 2017
 Trace showing the Inspection/Maintenance 240 test. The test duplicates an urban test loop around Los ...
Views: 441
Filesize: 60.55kB
Date: Jun 1, 2017
A vehicle being tested during an enhanced emissions test.
Views: 375
Filesize: 1.89MB
Date: Jun 1, 2017
 Photo of a sign taken at an emissions test facility.
Views: 404
Filesize: 858.36kB
Date: Jun 1, 2017
 This label on a Toyota Camry hybrid shows the relative smog-producing emissions, but this does not ...
Views: 348
Filesize: 1.65MB
Date: Jun 1, 2017
 The underhood decal showing that this Lexus RX-330 meets both national (Tier 2; BIN 5) and ...
Views: 361
Filesize: 1.41MB
Date: Jun 1, 2017
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