Hi my engine is running rich. I've just replaced the floa...
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rpmdiag
330 days ago
Hello, my name is \*\*\*\*\* \*\*\*\*\* to Just Answer! I will be assisting you with your questions today. Give me one moment while I review this.
rpmdiag
330 days ago
There is also a possibility that you have plugged air bleeds. This will also cause a rich condition. I don't believe that fuel pump pressure is adjustable.
Hi, I’m Ron and I’m here to help you with your problem. I’m very sorry that your having this issue and together, we will get this figured out. I will need your help too because I can’t see, touch, hear or smell anything that’s going on with your vehicle. We may also require some specialized testing tools in order to assist us in diagnosing the problems due to the complexity of today’s vehicles. Please be patient with my replies, I reply back in question order received. If I send you an attachment, I will tell you, BUT, you will NOT get it on a phone; you must be on a tablet or PC. Please let me know when you are satisfied with my answers too so we can close out your question. Thanks a lot for using JA, Ron
Please text me back if you need more help.
Thanks again and all the best:)
Ron
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Hi my engine is running rich. I've just replaced the float needle valves and checked the level in the carburettors (3) and the fuel level seems correct at 12mm. My next move is checking the fuel pump pressure because I believe the...
Hi my engine is running rich. I've just replaced the float needle valves and checked the level in the carburettors (3) and the fuel level seems correct at 12mm. My next move is checking the fuel pump pressure because I believe there is still evidence of flooding and I am advised that the fuel pump may be delivering fuel at too high a pressure and pushing fuel through the needle valves. According to the manual the fuel pressure should be 1.5 - 2.5 psi. If the pressure is too high how do I adjust. Mechanic's Assistant: How many miles are on the vehicle? And when was it last serviced? 25,000 ish. It has just been restored with a recent rebuild of the engine. Mechanic's Assistant: What is the make/model/year of your car? Bristol 401 year 1952 Mechanic's Assistant: Are you fixing your vehicle yourself? What have you tried so far? As I say I have replaced the float needle valves which may have been faulty and allowing too much fuel through. Mechanic's Assistant: Anything else you want the Mechanic to know before I connect you? Well if there is any advice about checking fuel pressure from the pump that would be helpful. The pump is a mechanical AC delco UG type.