strange gulping noise from air filter area after engine warms up. stops when idle sensor is unplugged. replaced sensor but didn’t help. Runs ok but when you get to 40 mph misses and runs rough. computer and all 6 coil packs and plugs replaced. 6 cyl 30. engine

Odd, you do not have the CEL illuminated with those symptoms… Your CEL might be faulty, have the codes checked, you may have fault codes.

Thanks for taking the time to reply. I’m not sure what the CEL is, however there are no warning lights at all. I might add that the vehicle starts to run rough and kind of miss at exactly 40 mpr. I did have a guy check the codes and he came up with nothing. Replaced the vacumn hose on the egr. Also …

CEL = Check Engine Light. Fortunately the vacuum line to the EGR valve has been replaced, so if that was done correctly we can rule that out. It could be a vacuum leak with in the intake manifold or somewhere else. However I am thinking the EGR valve itself is bad. When the car starts running rough…

Yes, felt pretty stupid about the CEL after I replied! Tapping on the EGR didn’t have any effect but the guy who was trying to figure it out promised to come back and do a pressure test. I agree that the valve probably be replaced as it’s not a major expense. Also, the engine runs ok until you get u…

One more thing I wish you would help me understand-why does the gulping stop when the idle control module is unplugged? I did replace it as I said earlier but when reconnected it started back as soon as the engine warmned up. The guy took it off to be sure the gasket was in right.

[image] ljstanford: I might add that the vehicle starts to run rough and kind of miss at exactly 40 mpr. You may be feeling torque convertor shudder, if there were a misfire the check engine light would be flashing. The PCM/misfire monitor is far more sensitive to misfires that the driver.

If i understand the purpose of the Idle air control valve correctly on this vehicle is that it controls the idle rpm of the engine by finely controlling the amount of air going into the intake manifold electronically. If so i would assume that while the gulping sound is there the engine rpm would fl…

Can you also better describe how the engine runs rough? Does it drop RPM, or does it seem to buck? Give it your best shot at describing it.

Hi there. It’s runs really rought-kind of like a miss. And loses power at well. This starts at exactly 40 mph.

2005 Ford Escape - Gulps

Maintenance/Repairs

ljstanford January 4, 2021, 3:52am 8

Thanks for the input… I’m in a very little town-not a garage here-nothing but a Chevy dealership!

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2005 Ford Escape - Gulps

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