My truck sputters between 1000 and 2000 RPMs?

Tiny
NIYTBREED
  • MEMBER
  • 1993 CHEVROLET BLAZER
  • 90,000 MILES
My truck sputters in overdrive between 1000 and 2000 rpms and runs fine in drive but it runs at 2000 rpms plus, what is wrong and what do I do to fix this?
Sunday, November 13th, 2011 AT 11:10 PM

1 Reply

Tiny
DRCRANKNWRENCH
  • MECHANIC
  • 3,380 POSTS
You should check the fuel pressure first. Most Advance Auto and Auto Zone parts stores have fuel pressure test gauges on a loaner program with a deposit.
There is a test port on the fuel rail and the test gauge will come with adapters.
I am including the fuel pressure specifications as well as injector resitance specs as they could be at fault as well. You may also wnat to run a can or two of a high quality fuel system cleaner such as BG44K or Sea Foam. You can find them at local auto parts stores.
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Monday, November 14th, 2011 AT 12:25 AM

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