1990 Nissan Sentra "weak spark" Questions

...spark or weak fuel pressure and caused weak injections and low engine power if the transmission bad, the RPM of he engine goes real high but MPH not so high. (per you yes) check fuse first then get ...

...starts but it does not run. Is like if it did not have any gas. good day. try to check the battery maybe its weak also check the spark plugs, air filter, and fuel filter, i hope this will help

...240sx had a similiar problem but it ended up being the cap had a lot of corrosion inside. Mine still had spark but was to weak to ignite. Try simple solutions before attacking the more expensive ...

...spark when it fails to start ? Are you getting injector pulse from the computer ? Any trouble codes stored in the computer ? Try checking the Main Relay and it's fuse. But it could still be a weak ...

spark from the coil. I replaced the ignitor and still no luck. I tested the coil with my mulit meter and its within the requirements according to my manual. Please HELP any info is greatfull Thank you

...weak spark plug or injector. You should get a check engine light and if you have the computer scanned you should have a code telling you which cylinder is not firing. The problem is there at idle but ...

weak like if it wants to turn off, if i turn the steering wheel all the way to one side it will turn off. I checked the spark plugs and they were black i replaced them and the car still felt the same.

...indeed running when the vehicle is warm. it could be that your vehicle is just getting to hot. it could also be something as easy as a dirty air filter fouled spark plugs or a weak fuel pump good ...

...weak battery. Could be spark plugs and or wires. Use the highest octane gas recommended for the car. Put in a couple of cans of Sea Foam in the gas tank with a fill up. It may smoke a little or may ...

...weak spark. take the spark plug that fires good and put it on each of the other three wires, if it still fires good then the problem is your plugs...energy not coming through them. if no change then ...