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How do I know if my Ranger has a rev limit switch

Tiny
307 MO
  • MEMBER
  • 2003 FORD RANGER
  • 102,000 MILES
If I rev the engine while in park it starts missing at 3000 rpm's out on the road it runs great
Thursday, July 19th, 2012 AT 12:59 AM

5 Replies

Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
No rev limiter.

Why are you revving it to 3000 in park?

Roy
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Thursday, July 19th, 2012 AT 1:18 AM
Tiny
307 MO
  • MEMBER
  • 3 POSTS
I had my battery and alternator tested and part of the test was to rev it up to 4000 rpm's but at 3000 it started to miss so I put in new spark plugs and it still misses at 3000 rpm's. The alternator was bad so I replaced it.
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Thursday, July 19th, 2012 AT 3:00 AM
Tiny
ASEMASTER6371
  • MECHANIC
  • 52,797 POSTS
Never necessasry to rev to 4k for an alternator test. 1500 with loads on is the norm.

Roy
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Thursday, July 19th, 2012 AT 10:57 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
Yes, you have rev limiter software code written into the operating system that only works in Park and Neutral.
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Thursday, July 19th, 2012 AT 12:22 PM
Tiny
307 MO
  • MEMBER
  • 3 POSTS
Thank you very much now I dont have to pursue it any further.
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Thursday, July 19th, 2012 AT 10:23 PM

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