I have a 2004 saturn ion and it won't start. I think it's gas related. Where and how do I replace gas sensors/filters or fuel pump? What do I try and replace first? How do I I tell which is bad?

SOURCE: saturn crankshaft sensor

Right above the started. It can be removed from under the car withour taking the starer out. 5 minute job, one bolt

SOURCE: Oxygen sensor location on a 2003 Saturn Ion-1

One is front of the cat, and one after the cat of the exhaust.
The OBD Scanner should tell you which bank is producing the error.
Bank one is the front one.

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SOURCE: 2004 Saturn Ion transmission

It should be on the drivers side and it looks like the oil dipstick. Usually the top of the handle is shaped like a " T ". Most of the time it will be yellow and say trans on it. It may be lower than the oil dipstick. Good luck.

SOURCE: replacing struts on a 2004 Saturn Ion

i just got a quote from meinke for front struts replaced for just over 500.00

SOURCE: change brake pads on saturn ion 2004

my car was stollen and used in a robbery and high speed chase.the strip was used to flatten the front tires and he still ran 1mile and a half on them flat.but my insurence payed to get it fixed after my 500.00 deduct.when i got it back i have damage to the front finder they didnt fix.and after i traveld 500 miles to come back home i have a bad noise in front when i had the oil changed i had him check it and he said something had gotten into the brake shoe pasanger side and chued it up now im afaried to drive it and dont have the money now to fix it is this maybe from all that went on with it he ran across a yard and colbert i was told that its hard to get stones in the brakes to do that kind of damege.should i go back to insurance co.i had asked them to make sure they checked out good now im in another state