20 Most Recent 1990 Nissan Sentra - Page 9 Questions & Answers

Try this. With engine cold, turn your key to the "on" position but don't crank the starter. Let it sit for about 5 seconds, then turn off. Turn back on and try to start. If it starts easier, you fuel pump is weak and probably needs to be replaced.

Always go with front 02 sensor first... ....do nothing else. Only front 02 sensor first. Use a good quality one. Napa is often the best source. Do not use a generic one. It must plug right in ... with no alterations to its plug.

They are usually a yellow 'P' shaped ring pull. It is usually at the front of the engine bay, between the engine and the front radiator grille.

Fix your car right away by clicking the link I attached Nissan Sentra

That 5th step is also 100 degree turn. This for 08 2.0L, note the engine code or what ever that is? If that mr2ode is correct, I'll see what I can find for crank and rod bolts.

Most auto parts stores where I live will check and give you the trouble code on your dash for free. Getting that code will help identify the most likely cause of the problem. The code usually give several possible cause's but will help minimize your search.

could be lower ball joint...throws camber off

This combination of codes indicates a wiring issue. Trace the wires from the sensors to find a broken wire.

If it is electric the motor or switch may be bad. If wind up window it may be off the track.

Catalytic converter heat shield? Loose timing chain? Failed timing chain guide?

I had the same symptoms with my '04. It turned out to be the fuel pump. When gas tank was full, it wouldn't stall, only when fuel got low. Also started hard. Took about 3 time turning over to start. Replacing fuel pump is super easy, takes about 30 minutes for someone familiar with car repairs. Remove rear seat, turn 3 tabs on cover with screwdriver or 10 mm wrench. Unplug wires to pump and set cover aside. Pinch fuel line clip and remove fuel line. Remove 6 bolts (8 mm) and retaining ring comes off. Pump can now be removed. Installation is reverse of removal. Pump is spring loaded a little.