On Oct 7, 4:38 pm, Greg Rozelle <inva...@[EMAIL PROTECTED]
> wrote:
> On Sun, 07 Oct 2007 19:58:36 GMT, "DunnoWho"
>
>
>
> <corolla...@[EMAIL PROTECTED]
> wrote:
> >You might have fuel injectors that are getting plugged. It is really
CHEAP
> >to put some injector cleaner into your gas tank. You can even buy it at
> >Wall;yu-Mart for maybe a buck. I had one injector changed on a 97 P.U.
2.4
> >liter and it made a Big Difference. The mechanic had said my problem
> >*wasn't* that #4 injector - but the check engine alarm said #4 cylinder
was
> >misfiring. The mechanic/technician stated that because he could NOT
hear the
> >injector making any noise he felt "sure" that wasn't my problem - - -
Wrong.
> >This truck had far better power and smoothness after that injector got
> >changed. That mechanic told me the Nissan fuel injectors are well known
as
> >being prone to getting plugged up.
>
> >Then we were using some bad "grocery store" cheap gas for a while and
BOTH
> >my truck and wife's car started running rough as a cob. I began using
some
> >injector cleaner and both our vehicles started running okay after that.
> >Probably the best injector cleaner I've used was some I believe was
from an
> >anti-freeze company like maybe (?) Prestone I bought in a Pep Boys. It
was
> >in a tall silver or gray plastic bottle and it probably cost more than
most
> >clearers. It worked great! The ac***ulated carbon that then got burned
out
> >of the truck combustion chambers caused that truck to overheat quite a
bit
> >for the first several miles after the injector cleaner was poured in!
> >IMPRESSIVE!
>
> >Another problem this '97 XE pickup (4 cylinder) has had is the original
> >distributer cap gets dirty (why????) INSIDE and it can cause the engine
to
> >be hard to start - especially in wet weather. ROUGH running and hard
> >starting also can be caused when the high tension wires to the spark
plugs
> >get dirty. I once met an electrical engineer who told me about that. He
> >would take a rag and carefully clean off his high voltage wires to the
spark
> >plugs. With a dirty distributer or spark plug wires, the dirt will
attract
> >moisture and that allows the spark plug voltege & current to leak off
> >("short circuit") though the 'dirt' to the vehicle ground = chassis.
What
> >works REAL nice to heal your electrical leakage probelm (short circuit
of
> >high voltage to ground) is to buy a can of silicone spray & coat the
plug
> >wires & distributer with that stuff. After the silicone gets
soaked-into the
> >plug wires, the wires tend to repel water a lot better, - - - a can of
> >silicone spray is cheap insurance.
>
> >"Greg Rozelle" <inva...@[EMAIL PROTECTED]
> wrote in message
> >news:fUpNi.4254$oA2.1319@[EMAIL PROTECTED]
> >> 1993 Nissan Altima GXE
>
> >> Car rough idle problem need help.
>
> >> I know I asked this before. I am going to be a little bit more
> >> detailed.
>
> >> When in park, neutral it shakes
> >> When in reverse it shakes worse.
> >> When in drive it shakes under 30 mph.
> >> When going above 30 it shakes a lot less or does not shake at all.
> >> Shakes at stops.
>
> >> From Reading
> >> Spark plugs & wires seem to be the most cause even if they look new.
> >> Wouldn't a compression test tell if it is bad spark plugs?
>
> >> Next is a fuel filter. Which I am tempted to try.
>
> >> The other is a fuel injector.
>
> >> Greg Rozelle
>
> It should not be the distributor or bad gas or fuel filter. I have
> eliminated those problems.
>
> distributor was replaced last year.
>
> It could be any of the following
> Spark plugs
> Air filter
> Fuel injector.
>
> The problem is now intermittent. (Off & on)
>
> I am going to go with a fuel injector for now.
>
> If Nissan fuel injectors go bad often. Would it pay just to get
> those at the auto store instead of the Nissan dealer?
>
> My problem is convincing my mechanic to buy those parts. He wants to
> get designer parts.
>
> Greg Rozelle
You mention the distributor was replaced last year. There has been
some posts regarding oil leaks into the distributor once it's been
changed.
Bill
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