Subject	E is 70%, aftermarket reg, AEM fuel pump
Posted by	Good2Zya2.0 on November 13, 2023 at 2:28 PM
	This message has been viewed 222 times.
In Reply To	Re: Thanks Mike, I appreciate your response, but I'm pretty sure posted by Mike@ZSpeed on November 12, 2023 at 07:52 PM
Message	When I turn on the key fuel pressure rises to 35 psi and holds steady till I start it. When I do, it fires up with no problem, sounds like it's going to keep running, but only for a second or two. I then see the fuel pressure start to rapidly drop till it stalls, and then reads 7 psi. Trying to start it then, without recycling the key, won't even hardly make it fire, much less start, and the fuel pressure just sits there at 7 psi. And when I do fully recycle the key it does exactly as above. It's like the ECU is shutting down the fuel pump. I don't know what's going on.
Follow Ups	Any ideas what's causing this starting problem? - Good2Zya2.0 14:35:41 11/12/23 Ethanol and cold temps. - Mike@ZSpeed 15:23:22 11/12/23 Thanks Mike, I appreciate your response, but I'm pretty sure - Good2Zya2.0 18:44:24 11/12/23 Re: Thanks Mike, I appreciate your response, but I'm pretty sure - Mike@ZSpeed 19:52:17 11/12/23 E is 70%, aftermarket reg, AEM fuel pump - Good2Zya2.0 14:28:59 11/13/23 I'd look at all possible fueling issues first - Polishzx 19:33:15 11/12/23 Re: I'd look at all possible fueling issues first - Good2Zya2.0 14:36:34 11/13/23 Not positive yet, but I'm sure we found the problem. - Good2Zya2.0 05:05:07 11/14/23 Re: Not positive yet, but I'm sure we found the problem. - Mike@ZSpeed 19:41:40 11/14/23 You say 35 psi, then drops to 7 - pretty sure that's low in - Woodnutz (PA) 04:55:29 11/14/23 Yes he does. And I just posted what he told me above. - Good2Zya2.0 05:16:23 11/14/23 Gotcha - yea, if that's how the system is set up, then the - Woodnutz (PA) 09:51:18 11/14/23
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