The exhaust gas recirculation (EGR) valve draws spent combustion gases into the air/fuel mixture of the engine. This reduces the temperature of the combustion gases and helps increase the efficiency of the fuel spent in your vehicle. It is also supposed to reduce the emissions from the exhaust system. Still, some vehicle owners prefer not to have their EGR valve in operation. And when an EGR valve malfunctioning, some opt to disable it rather than replace it.
- Skill level:
- Moderately Challenging
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Things you need
- Flat-edge screwdriver
- Crescent wrench
- Sheet of 1/4-inch aluminium
- Wax pencil
- Tin snips
- Rubber stopper
- Paper clip or clamp
Remove the EGR valve from the engine of the vehicle. Disconnect the vacuum hoses on each side of the valve. Some model vehicles have gator clips that secure the hoses to the EGR valve, while others have clips you need to loosen with a flat-edge screwdriver or hoses that screw on.
Remove the attached pipe, which transports the spent exhaust gases through the vehicle. Use a crescent wrench to loosen the bolt on the pipe.
Lift the EGR valve up away from the engine.
Place the EGR valve onto a small sheet of quarter-inch-thick aluminium and trace around the mounting hole with a wax pencil. Snip around the traced form on the aluminium sheet with a pair of tin snips. Place this blocking plate over the mounting hole and reinstall the EGR valve by replacing everything in the reverse order in which you removed it. This disengages the engine light that is triggered by a faulty EGR valve in California-spec vehicles.
Locate the black plastic crossover tube that connects the "Y" shaped pipe to the intercooler.
Pull off this tube and insert a rubber stopper to block it. This prevents the gases from getting to the EGR valve.
Pinch the hose shut with a heavy-duty paper clip or clamp. If you cannot remove the hose and block it, the other option is to clamp it shut. Alternatively, you may remove the vacuum line and cap the EGR valve and the hose with rubber stoppers.
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