Question about 2003 Nissan Altima 3.5 SE
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Posted on Jan 02, 2017
ALTENATOR AND BELT PROBLEMS: I would assume that someone has c hecked the battery. A dead cell will shorten the life of the alternator..If
the plug( at the alternator) is the least bit shakey, replace it. Check all grounds, engine to firewall, engine to
frame, engine to battery, frame to radiator support, and the alternator
CAR STALLS/DIES/LACK OF POWER: Have your mechanic inspect and clean the throttle body and the idle control motor. When these parts get dirty with carbon and debris they will cause erratic idle and dying at stops and low speed complaints.
CRUISE CONTROL AND BRAKE LIGHTS: First, check the obvious. Blown fuses? Check brake lights -- if both are blown, the system won't work. Also look for any disconnected vacuum lines in the engine compartment.
THE ALTENATOR WHICH SUPPLIES THE CAR THE ELECTRICAL POWER; IF WORN WILL CAUSE PROBLEMS IN ANYTHING ELECTRICAL IN YOUR CAR, INCLUDING THE MOTOR
Posted on Jan 16, 2009
Hi the car would only need to overheat once to blow the head gasket,, it depends on how hot the engine got and how long you carried on driving it, you can boil the oil crack the cylinder head ect,,, check the oil for water mixing with it (common sign of head gasket failure) the oil goes like a milky colour,, but if you have already checked this then still dont rule the head gasket out,,, it can leak the other way water out of the cylinder head,,, check for any signs of dripping water around the cylinder head, white smoke from exhaust pipe ect,,
But the best way to rule it out would be to get a compression test done this wont cost much and give you a definate answer,, If it is the headgasket it aint expensive to buy the parts its the labour that cost as it aint a small job,,, if you have the manual give it a go yourself and remember you can post on here if you get stuck along the way,,
Hope this helps some
Posted on Mar 22, 2009
SOURCE: 03 nissan altima turns off
There was a recall notice issued last year (or maybe even 2007) for this particular problem. Take your vehicle to the dealer immediately and they will fix it and reprogram the computer to stop this problem.
While not dangerous in itself, it could conceivably cause an accident.
Posted on Apr 30, 2009
"DTC P0420, P0430 THREE WAY CATALYST FUNCTION"
This code can be logged if a bad quality fuel,
the nissan daignosis procedure goes...
1. check the exhaust system for leaks, damage etc. this will give the sensor a bad reading
2. check for intake air leak, would be a hissing sound between air flow meter and engine throttle, maybe a loose hose, the intake tube can come loose in the middle.
3. check ignition timing, this should not change, if it did there would be more codes than this. bad quality fuel can also cause incorrect timing
4. check spark plugs, are due to be replaced at every 100,000km.
after that there is a lot of wiring tests, one of these 4 things would be most likley. reccommend try fuel from a different station first.
hope this helps
Posted on Jul 04, 2009
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