killerzombie Posted October 20, 2011 Share #1 Posted October 20, 2011 my 260z will start and turn over a few times but then dies. if i spray carb cleaner it will run longer but die once all is burnt up. i believe that during start up it only uses the mechanical pump, and the electrical pump kicks in during higher revs. The mechanical fuel pump is filled with gas and the carb floats are wet but not full with gas. i checked the carb and E/pump filters and cleaned them. the electrical fuel pump reads about 6.8 ohms and is getting voltage. The only strange thing i have found is there are 30.3 ohms of resistance from the positive side of the fuel sender to chases ground. Any ideas why i cant get the fuel to run? i dont think its the electric pump but then again i am a nubbie Link to comment https://www.classiczcars.com/topic/41131-barely-getting-fuel/ Share on other sites More sharing options...
SteveJ Posted October 21, 2011 Share #2 Posted October 21, 2011 Have you replaced your fuel filter? Link to comment https://www.classiczcars.com/topic/41131-barely-getting-fuel/#findComment-369805 Share on other sites More sharing options...
madkaw Posted October 21, 2011 Share #3 Posted October 21, 2011 The reasons could be many. Fuel tank dirty. Fuel sending unit rusted and clogged. Float needles not working properly. Collapsed fuel hose. Disconnect your fuel line just before your carbs and turn overthe motor to see if fuel is coming out at a reasonable rate. You need to use the process of elimination to narrow down the causes. Start there then report back! Link to comment https://www.classiczcars.com/topic/41131-barely-getting-fuel/#findComment-369807 Share on other sites More sharing options...
hogie Posted October 21, 2011 Share #4 Posted October 21, 2011 I had a similar problem this summer. My electric fuel pump quit working and acted as a restriction in the line. My mechanical pump wasn't working good enough to get fuel past it. I removed the electric pump and replaced the mechanical and all is well. Also if you have access to an air compressor it couldnt hurt to disconnect the fuel line at the tank and the filter and blow out the hard line. Link to comment https://www.classiczcars.com/topic/41131-barely-getting-fuel/#findComment-369813 Share on other sites More sharing options...
killerzombie Posted October 25, 2011 Author Share #5 Posted October 25, 2011 Thanks everyone .....i have it working now, but what would you consider a reasonable amount of fuel for turning over the engine. i think my mechanical pump is getting to old because its not making much suction when i press down on its arm and it doesnt pump out what in my mind would be reasonable... Link to comment https://www.classiczcars.com/topic/41131-barely-getting-fuel/#findComment-370167 Share on other sites More sharing options...
slogan5
Recommended Posts
Create an account or sign in to comment
You need to be a member in order to leave a comment
Create an account
Sign up for a new account in our community. It's easy!
Register a new accountSign in
Already have an account? Sign in here.
Sign In Now