 Fuel Pressure Problem, Need Help Please |
 Feb 11, 2014 - 7:49 PM
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 Enthusiast  Joined Dec 7, '07 From Corpus Christi, TX Currently Offline Reputation: 7 (100%)  |
So I received a phone call from the shop that has been helping me with the rest of the swap. For some odd reason the car idels normal when both my electronic fuel pressure gauge and their fuel pressure gauge measured directly off the fuel filter reads "0". As the fuel pressure climbs to normal operating pressure the car begins to idle rough, almost to the point of dieing. Both gauges have the exact same reading simultaneously so I know our gauges are reading properly. Im stumped because if both gauges read "0" the senerio should be reversed. Also the pressure isnt staying steady. It raises, drops and raises and drops. As I said as it drops idle is better as it raises it worsens. Both the shop and I believe it to be a bad fuel pump. Need a second opinion on this matter. Has this happened to anyone else during there swap or at all. What could be the reason behind this. NEED HELP ASAP.
-------------------- From Japan to Texas my st202 follows me.
 Being different from every angle of the word, leading the Revolution (TOYOTA NATION) The RHD st202 that made it from Japan check it out. http://www.6gc.net/forums/index.php?showtopic=78103 |
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Feb 12, 2014 - 5:40 PM
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Enthusiast Joined Dec 7, '07 From Corpus Christi, TX Currently Offline Reputation: 7 (100%) |
My electronic gauge is reading off the rail and they're mechanical gauge is reading off of the filter. Both have the same readings while the car is on. I know this situation sounds weird and I'm stumped myself. The needle on both gauges jump around. From normal operating pressure to zero. At normal operating pressure on both gauge readings she bogs but when both gauges drop to 0 she idles beautifully. Yes I know its impossible for the car to run at zero pressure. But this is the reading the shop and myself have seen when she idles perfectly fine. The perfect idle lasts only a few seconds till she starts bogging again and at that point both gauges jump to normal operating pressure. The bogging and perfect idle fluctuate between each other after a few seconds.
-------------------- From Japan to Texas my st202 follows me.
Being different from every angle of the word, leading the Revolution (TOYOTA NATION) The RHD st202 that made it from Japan check it out. http://www.6gc.net/forums/index.php?showtopic=78103 |
Posts in this topic
Lil-Joe101 Fuel Pressure Problem Feb 11, 2014 - 7:49 PM
Bitter You can not have zero fuel pressure and a running ... Feb 11, 2014 - 8:15 PM Lil-Joe101 Yeah I know. All they did was start it and had me ... Feb 11, 2014 - 8:18 PM Lil-Joe101 Soo out of the 15 who have viewed this, no one can... Feb 11, 2014 - 9:18 PM Malek Sorry I'm not up to date with your swap. Are y... Feb 11, 2014 - 10:34 PM Lil-Joe101 Im useing the original fuel pump relay with the wa... Feb 12, 2014 - 1:22 AM njccmd2002 not an expert, could your fuel lines be clogged, a... Feb 12, 2014 - 1:06 PM Smaay i dont know whats going on with your swap, but its... Feb 12, 2014 - 3:08 PM Galcobar Erm, I know this is going to sound simplistic, but... Feb 12, 2014 - 7:02 PM Lil-Joe101 Thats what I thought too. But I know for a fact m... Feb 12, 2014 - 7:44 PM Bitter They're not tapped into the return line or hav... Feb 12, 2014 - 7:59 PM Lil-Joe101 How do you run the pump backwards if you dont mind... Feb 12, 2014 - 9:45 PM Smaay have the leads wired backwards Feb 12, 2014 - 10:33 PM Bitter Same way you have a car running with zero fuel pre... Feb 12, 2014 - 10:35 PM Lil-Joe101 The injectors are stock. I haven't swapped the... Feb 12, 2014 - 11:41 PM 3WayStunna The leads could most deffo be backwards....Buuut..... Feb 13, 2014 - 2:27 AM
Lil-Joe101 Good point. Ill check with the shop tomorrow with ... Feb 13, 2014 - 3:51 AM |
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