...Leak in vacuum supply line to MAP sensor Engine vacuum leak Short on signal wire to PCM Short on reference voltage wire from PCM Open in ground circuit to MAP Worn engine causing low vacuum Bad MAP ...
...a leaking blend door motor or a vacuum leak in the system that is lowering working vacuum to the a/c control. Listen under the dash for any vacuum leaks and inspect vacuum lines in engine
...vacuum leak. check the vacuum line from the engine to the control unit on dah for a leak. Also, check the vacuum storage tank in the engine compartment somewhere. Usually a plastic ball in the fender ...
Question about Jeep Grand Cherokee
...control In the fuse box under the hood. If it's not working it's most likely a vacuum leak. The system works by a vacuum diaphragm that pulls on the throttle. Jeeps are notorious for vacuum
i have a jeep grand cherokee and it will back fire and dy BACK FIRING CAUSED BY INTAKE VACUUM LEAKS.LOOK FOR VACUUM LEAKS AT VACUUM HOSES,THROTTLE BODY,INTAKE MANIFOLD,LEAN FUEL SYSTEM.STOPPED UP FUEL
...Vacuum leak at intake manifold and vacuum hose. Bad Idle Air Control Motor (IAC) Low compression (170 psi + is OK) Start cleaning and repair these trouble spots and see is there any improvement. ==== ...
...vacuum leak. it sucks air the MAP sees that an mixed fuel like magic, all on purpose and normal. for a all map engines made (called speed density systems) cracked vacuum hose (all of them or ...
...vacuum leak ( between the pump and servo ) you would normally be able to hear a vac leak. If you are able to pull the hose off the servo hold your thumb over the end of it and you should feel strong ...
...leak in your HVAC system. It operates the doors using vacuum and defaults to defrost when there is no vacuum. The system stores vacuum so that the setting doesn't change when you shut off the engine. ...
Question about Jeep Grand Cherokee
...vacuum leak some jeeps are vacuum some are electric ,the mode control is in default if vacuum a leak if electric the control panel or mode door actuator , the electric you can sometimes hear if not ...
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