lol so now on top of crap gas milage.
the car is stugling to start.
some times i have to jump it with my jump box.
should i replace my wire,plugs, fuel filter, battery, and fuel guage sending unit?

thankyou,
KNM.

how are your plugs and wires?
how clean is your Mass Air Flow sensor? (also known as MAF)
how new is your fuel filter?

these are 3 of the biggest things that can affect your fuel mileage negatively, by my math your at about 16 mpg which is wayy to low for your car unless you run everywhere with ...

im suffering on gass milage.
275mi/tank,
tires are inflated just fine , air filters are good. all seems well.

issues:
-when i get to about a quarter tank left my gas guage starts jumping.(how do i fix and how much?)
-how big is my gas tank? i filled up today almost (empty?) i filled over 16 gallons ...

so i went and got my oil changed now i notice,
that when at a stop, my oil psi drops from the normal 52psi (not exactly that but close)
down to i would say around 35 psi.

what could cause this?
is this normal for a 2000 pontiac bonneville SE?

thankyou,
KNM.

FIXED

so here is the long story short, i cut my ribbon for my dash, rplaceed the ribbon, installed the dash again.
now when i go to turn the key light and everything work fine, fan works all that, but it wont turn over.
then when i take the key out all the relays and switches and lights go crazy.

i ...

im new here so ill first say hi.

here is my delema.
i have a 2000 boneville SE?

looking to install a kenwood single din headunit.
what do i need to do this as far a a succesfull install?
and how do i know if i have a factory amp somewhere?
is the wire harness from best buy good enough even though ...