Question about 1990 Ford F150
When my 1990 f-150 is sitting idle sound like it's losing power or it want to die, is that normal for an old truck
I'ts normal on old trucks. But without further analysis i can only refer these problems.1 Your air fuel mixture is either lean or too rich. usually and o2 or Oxygen sensory problem.it causes a starved engine failure or what you described.
2. you have a possible vacuum leak
3. your egr valve has broken seal or gap
4. you dont have constant power like (spark, fuel or alternator/battery)
been doing mechanics for 10 years. So safe to say im close or on the dot!
Posted on Feb 16, 2009
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Posted on Jan 02, 2017
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