Map sensor problem harley davidson touring 2011
Seasoned HDF Member
Joined: Aug 2008
Posts: 5,072
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you can test the map with an ohm meter and vacuum source. not much can go wrong with them. if connected via hose, check it and via ported to manifold, check o-ring, any leaks will throw a code.
the tube is your friend when it comes to testing, easier to watch than explain, does not matter if it is on a diff vehicle.
once you know the map is good, mr. bob's answer is next.
the tube is your friend when it comes to testing, easier to watch than explain, does not matter if it is on a diff vehicle.
once you know the map is good, mr. bob's answer is next.
Code means there is a problem in the circuit. You did not get 4 bad sensors in a row. Check all the wires - especially at the connectors for breaks inside the insulation. The insulation may be rubbery or stretchy when you pull on it.
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Joined: Nov 2014
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From: SE Ohio, Wayne National Forrest area
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Joined: Dec 2005
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From: poway
you can test the map with an ohm meter and vacuum source. not much can go wrong with them. if connected via hose, check it and via ported to manifold, check o-ring, any leaks will throw a code.
the tube is your friend when it comes to testing, easier to watch than explain, does not matter if it is on a diff vehicle.
once you know the map is good, mr. bob's answer is next.
the tube is your friend when it comes to testing, easier to watch than explain, does not matter if it is on a diff vehicle.
once you know the map is good, mr. bob's answer is next.
Add:
I agree with Bob and Ed. It's more than likely a wiring issue. Clean the contacts on the ECM connector.. Tug on the 3 wires going to the MAP sensor connector. If the map wires are routed certain ways the harness can flex and fatigue the wire.
Last edited by Max Headflow; Apr 30, 2018 at 07:40 PM. Reason: Add
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