Question about 2001 Cadillac Sts

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2001 cadillac sts, check gas cap, but already replaced it.

I put a new one on from napa. Light still flashes"check gas cap"

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  • Anonymous Mar 17, 2014

    my 2005 sts check engine light on say check gas cap changed cap light still mon bad gas mileage slight miss

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You need to reset the codes... unhook the battery for about ten minutes... make sure you have the code for the radio (if required)

Posted on Feb 26, 2009

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If your check engine light is blinking, it is the automotive equivalent of posting in bold, underlined, all caps....

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Not likely.... But as you just put fuel injector in make sure your fuel cap is tight cause if its not the computer will detect a evaporation leak in the gas tank. So tighten the gas cap and drive the car for a few days & see if the engine light goes off .. If not get the computer scanner to see what's going on

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Jan 25, 2011 | 2001 Cadillac Sts

1 Answer

1998 sts wont start unless u hit the gas then it runs rough ..u put it in drive it wont run over 2000 rpms then it dies


Is the gas tank above 1/2 tank now?

A worn / aged fuel pump will fail when it's hot and the fuel level is low (example: below 1/4)

Park your car in a cool area.

Start the car when it's cold outside,

===
Check the engine fuel pump pressure.
===
Replace the fuel pump relay,fuel filter,fuel pump and fuel pump stainer at the same time.
===

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1 Answer

I Have a 1997 cadillac sts over heating problem


The most common overheating problem with the Northstar engine is a blocked purge line(small hose).The purge line is designed to purge air out of the cooling system.
There is a small diameter hose coming from near the top of the coolant tank (not the cap) ,this is the purge line.
With the engine idling,pull the purge line from the tank,if there is no coolant flow from this small hose,it is blocked and this will cause overheating.
If the hose is clear, check for blockage at the nipple on the tank.Or trace the hose back until you find the blockage.
The hose goes in to the engine to a crossover and comes out the other side close to the thermostat housing,the blockage may be there.

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2001 Cadillac Sts: engine will die while idoling and sometimes while im driving...it also bogs down when driving and the service engine light will appear and b4 i can get it checked the light goes...


First item that I would check is the idle control valve. you can increase the idle speed of your engine if it runs below normal. Since you get a check engine light, I would suggest to get the error code.

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2003 Cadillac Deville a check gas cap error appears with svc engi


put a new gas cap, those system are pres. even if
the cap look ok it maby leaking replace with a new
one it should solve your prob.
eng.ligh come on because of the gas cap

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