Review Of 06 Impala Check Engine Light Stays On With Key Off References. Web 25,185 chassy answered 9 years ago you have nothing turning over and one red light on the dash , which is showing an electrical problem in the engine system but. It wont break so a few clicks is fine, but you may have to replace it, it might not be holding pressure.
Whereas a steady check engine light may mean you. Web if the light remains on in your impala even after addressing the gas cap issue, it is possible that there is another underlying problem that needs to be diagnosed. As long as the fault is truly gone.
