Question about Saturn L-Series
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Posted on Jan 02, 2017
SOURCE: 2003 Impala - mystery problem???
you have something thats staying on with power when you shut the car off,first check all lights glove apartment,underhood,in trunk ,just because ther closed doesnt mean the light is off,check your car at night it might help to see the lights,if not another way is to take a multi meter to the battery and while some holds the meter pull out fuses in your fus box one at a time to see when the meter makes a change,this will help you to narrow down whats staying on and draining the power from the battery,if this helps please give me a fix ya vote
Posted on Jul 14, 2008
I have the same model. Congrats you made it over a 100,000 miles! Most of them failed after as little as 20,000 or around 78,000 miles becaue there was a design flaw in that the timing chain did not get any oil to it. I had the 78,000 mile engine. Mine failed while driving at 65 miles an hour on the expressway. Pretty much wrecked the engine. The problem with putting in a used engine is that no other type of engine will fit in this car and you can count on engine failure again at 20,000; 78,000 or from what you tell me after 100,000 miles. You would be better off investing in a down payment for a Toyota made here in America that gets over 50 miles to the gallon. I used to be an oldsmobile man and then reluctantly switched to Saturn but am fed up with GM completely now and all american car manufactures.
Posted on May 02, 2009
the idle air control valve is responsible for engine idle.
this is a common failure on ford's. but I don't think yours is bad because it does idle high befor it dies.
you stated you had codes p0171 and p0174 these are lean codes for bank one and two, you said you found a vacuum leak and repaired it, the vacuum leak was mostly likely the cause of the lean codes, however the pcm has calibrated the fueling stategy for this lean mixture, what you need to do is erase the KAM "keep alive memory" this is done by unhooking the negative battery cable for 60 seconds, this is the only way to erase the KAM the $6000.00 machine I use wont even do it.
once the KAM is clean the computer will go into a relearn state and all operating values will be adjusted for the vehicles current condition, during this relearn session the vehicle may have some driveability issues (low or high idle, stalling, poor fuel economy) the relearn should complete within 10 minutes of idling and then 10 minutes of driving.
good luck and keep me updated
Posted on Jun 14, 2009
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