P1409 code on 2002Ford F150 4.6L Running real ruff during nomal drive P1409 - EGR Vacuum System Leak CHECK THE EGR CONTROL SYSTEM FOR A SERIOUS VACUUM LEAK,
...at the same time. any ideas fuse well your ac system has a leak in it and there may be a vacuum leak around the seals and the cigarette lighter works off a fuse or relay that may need to be
...2) The PCM may have failed. See dealer/mechanic. 3) Vacuum leak(s) at manifold or vac. lines. (I had a fast idle and surging cruise all of a sudden. The diaphragm of the EGR valve started
...code. Too much air is entering the engine. Intake manifold gaskets can leak, vacuum lines get old and crack. Check the operation of the EGR and PVC valves, In short it is not easy to find the
...vacuum seal When I turn my truck to the on position it sounds like there is a air leak then I am driving and my truck feels like its loosing power You hear a suction noise from the engine area then? ...
Question about 2002 F150 Regular Cab
...and runs fine but has codes po171 and po174 replaced plenum gaskets and isolator bolts,checked vacuum hoses,egr checks good cleaned maf still get 171 and 174 codes and the engine idles and runs ...
Question about 2002 Ford F-150 - XLT, 6 6" short bed, standard box - ProCap Bed Caps
...back to 1200. No vacuum leaks PCV hose is good. Any solutions? Ford has bad rubber and plastic hose leak. Here is an example on the PCV connection. You has to check all plastic connector for ...
Question about 2002 F150 Regular Cab
2002 eord F150 po174 system adaptive fule too lean bank2 PO174- too lean bank two --is a possible rich condition driven lean by the pcm Check for leaking injectors,vacuum leaks,fuel pressure Look at ...
Question about 2002 F150 Regular Cab
...this on my 2002 ford f150 super crew, no sign of vaccum leak, what else can it be? If you have no vacuum leak I would check the purge valve if it's stuck open it'll create a air leak within the ...
Question about 2002 F-150
...2002 Ford F150 The control that that is responsible for directing the air flow is to blame here. If it is vacuum operated check the vacuum lines going to it for a good connection and no vacuum leaks. ...
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