Re: 01 Sentra engine skips or rought at 2000 rpms

"L" <lc@xxxjoimail.com> wrote in message
news:M_GdnQyPVqZFWGTanZ2dnUVZ_qbinZ2d@earthlink.com...
>
> Notice warning light that says check engine/maintence indicator.
> Short
> time later engine would start skipping around 2000rpms and  a
> jerking
> rpm which causes speed to go lower.  It appears that if I kept rpm
> below
> say 1900/2000 rpm  it will run almost normally ?.   Thanks in advance
> for any words of wisdom.

Depending on the check engine code--and especially if the check engine light
is flashing instead of just steadily lit--you might be in a so-called "limp
mode" which in many cases includes a 2500 RPM limit on the engine RPM's.

If that's actually the case, then the jerking and skipping you may be
experiencing could be the fuel cutoff at the maximum RPM's allowed in limp
mode by the ECU. Keeping the RPM's below the fuel cutoff point will allow
the vehicle to continue almost normally.

The most important thing is to find out what the check engine codes are, to
find out where the problem(s) may be. There may be one code stored, or there
may be multiple codes stored.
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