...EGR valve is stuck open, it will essentially cause a vacuum leak, leading to inefficient combustion, rough idling, hesitation, and sometimes stalling in extreme cases. This is because the car cannot ...
...EGR VALVE. CLEAN OUT CARBON IN THE INTAKE PORT.USING A PIECE OF CLOTHES RACK.CLEAN UP DEBRIS.ALSO CHECK FUEL PRESSURE REGULATOR.CHECK VACUUM LINE TO FUEL PRESSURE MAKE SURE ITS NOT FULL OF GAS.AND ...
...vacuum to the control line. The EGR must shut off at idle and at high speed, or else it will die or lack full power. You may then wonder why have it on ever? Good question. What it does is poison the ...
EGR valve? Thanks, -Keith possible but the code refers to the valve and or the solenoid to operate the valve could be a loose / broken wire or bad ground connection if it is that bad , replace the egr
...egr valve and with the engine running, disconnect the vacuum line attached to it. If the engine runs better then the egr valve is stuck open. Replace the egr valve. It is held in by 2 bolts and ...
...EGR selonoid, O2 Sensor, Idle Air Control Valve, Spark Plugs, Plug Wires, distributor cap & rotor, all vacuum hoses (currently pulling a steady 20 inches of vacuum at idle and at higher RPM's), ...
open one on the TBI goes to the EGR/Secondary Air Intake https://www.dropbox.com/s/aygr00hjj4guzxj/IMG_20130809_080858.jpg That is not a connection for vacuum. That is a bleeder for the coolant system
Question about 1993 Sierra
...Sierra still doing the same thing any suggestions Check that the EGR vacuum solenoid is working. Remove the vacuum line to the EGR and there should be no vacuum in that line with the engine at
Where is the EGR Solenoid located on a 99 gmc sierra What size engine ? As this vehicle could have come with four different one's. 5.0 , 5.7 , 6.5 and a 7.4 L
Question about 1990 Sierra
...EGR valve and solenoid, temperature control sensor. Shows no codes but when first started sounds like huge vacuum leak, then noise stops and engine light comes on. But still no codes on scanner. Did ...
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