...1998 Ford E-250. Rough idle/hesitating at idle. Drives fine. Check engine light on. Shows the following codes: p0156, p1131, p1151, p0301, p0302, p0303, p0304, p0305, p0306, p0171, ...
...fuel economy and air pollution. The O2 sensor is constantly in a state of transition between high and low voltage. Manufacturers call this crossing of the 0.45 volt mark O2 cross counts. The higher ...
...fuel filter. Oil changed about 2000 miles ago; don't know about oil filter but assume it's new also. 143,500 miles on the vehicle; bought it used 2 days ago. So what could it be - automatic warning ...
...fuel cap will not show pressure. It is a negative Vacuum system incorporated with the Evaporator Emissions system. You check fuel pressure at the test port on the fuel rail. What can happen is the ...
...fuel will show more than +12% which means the computer is trying to enrich the system but can't if the trim value exceeds>+22 or so. normal values are in the +/- 0-10% that indicates the computer ...
...do a fuel system pressure check. You are probably having a problem with your primary and secondary fuel pumps. This should show up as a problem with a code scan, but sometimes it doesn't show at
...show (mostly) a P0087 code and go into reduced power. sometime shows "replace fuel filter" even with new filter. runs strong at normal driving, even under heavy load. this is not a every idle event, ...
...service emmision system and also showed check fuel cap. Please help You must turn your fuel cap 6 complete rotations to seal the system, if you do not do this your going to get this code
...fuel show up at the cooling system,last time I train the cooolant and fill up with new coolant,road test for 2 miles,diesel fuel show in the cooling system,what could be the problem. Injector tubes ...
...valve operation and for leak detection in the evaporative emission control system by monitoring pressure and vacuum levels in the fuel tank during the purge control solenoid valve operating
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