Try putting a pressure gauge on the fuel rail and see if the pressure is
dropping at those times. It could be as simple as a plugged fuel filter,
or as $$ as a defective fuel pump (or computer, if it controls the pump).
Peace,
Pat
Thusly spake Ron Hamilton, On 3/17/2009 7:06 PM:
> BMW that is the acronym for Bavarian money waster!!! Should have stuck
> with Nissan! :-)
>
> Matthew Cox wrote:
>> Hey All! I have on off topic question for everyone.
>>
>> I just bought a super cheap '87 BMW 325 for a second family car and
>> have a
>> question about an annoying stutter.
>>
>> On acceleration I have strong pull for about 3 seconds and then there
>> is a
>> pause/stutter -- almost feeling like someone is pressing the brakes
>> for a
>> split second, but coming from the engine -- then about 3 more seconds
>> of pull
>> and then a pause etc etc etc. After the stutter there is even an ever so
>> slight surge of power. The stutter doesn't change at all as I
>> accelerate. The
>> interval from power to pause always stays the same regardless of
>> engine speed,
>> which seems odd. It also does it while driving at speed but not
>> nearly as
>> pronounced, and I don't notice anything steady and pronounced at all
>> while at
>> idle.
>>
>> I have already replaced the plugs and wires.
>> Coil? Rotor and cap? Fuel delivery? Any ideas? Thanks in advance,
>> everyone.
>>
>> Matthew in Phoenix
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--
Pat Horne, Owner, Horne Systems
(512) 797-7501 Voice 5026 FM 2001
Pat@HorneSystemsTx.com Lockhart, TX 78644-4443
www.hornesystemstx.com
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