Have a 2002 ford ranger 4.0 6cyl auto and it will not rev above 3000 rpm. done trouble shooting with chilton with no avail. HELP.!!
Check the exhaust is not blocked if you hear a hissing sound out back that could be the problem,you can loosen it off at manifold its a good test,possibly a blocked convertor.
SOURCE: Troubleshooting 1995 Ford Probe Problem
check airflow control valve,changed cat ?? quickest test for that is slacken exhaust manifold ,noisy but ??any blockage in exhaust system will show straight away.other problems could be fuel filter ,low fuel pressure crank sensor weak signal,i think you might find its cheaper to let dealer have look than change parts willy nilly .evan had a car doing this that some jealous neighbour had shoved a potatoe up the exhaust hence now the drop manifold down pipe part
SOURCE: ENGINE MISSING ABOVE 3800 RPM
no the code is most likely from a dpfe sensor for you egr system not the egr valve itself.a clogged fuel filter though might cause your low revs
SOURCE: car drops out at 2700 rpm and sputters
There is a rev limiter in these cars that disallows over revving in park or neutral. Does it climb past 2700 under hard acceleration?
SOURCE: My 2002 Ford Ranger Edge V-6 is misfiring.
havent a clue here ,one cylinder now another missing ,only one thing comes to mind here and thats the coil pack ,check the voltage across the battery with engine running at 1500rpm and if its higher than 15.5 volts of their abouts then the alternator regulator is playing up and this would cause problems with the coil pack or the ECU ,also the radio could blow and lots of bulbs.Other that this i would need to get my greasy hands on it and give the magic hammer treatment
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