Mad wheeler Posted November 29, 2010 Report Share Posted November 29, 2010 I just bought a 87 Conquest and I finally got it to run after I tapped on the fuel pump to get it to flow but the motor falls flat when I get up to 3000+ rpm and I was thinking the air flow sensor or tps was bad. Any ideas? I haven't been able to drive it because I need to replace the master clutch cylinder but definitely looking forward to it. Link to comment Share on other sites More sharing options...
Starfighterpilot Posted November 29, 2010 Report Share Posted November 29, 2010 (edited) I just bought a 87 Conquest and I finally got it to run after I tapped on the fuel pump to get it to flow but the motor falls flat when I get up to 3000+ rpm and I was thinking the air flow sensor or tps was bad. Any ideas? I haven't been able to drive it because I need to replace the master clutch cylinder but definitely looking forward to it. When you say the motor falls flat - do you mean that the pump motor quits or the engine is starved for gas with the motor running? What pressure is the fuel system at during idle and cripping the hose almost shut at idle? See the links below on how to do this. It sounds like your secondary injector isn't injecting, cuz it's supposed to kick in at about 3K RPMs. See the following linkss for how to check/ clean the electrical connectors for both injectors plus some other fuel system stuff. http://starquest.i-x.net/viewtopic.php?t=1031&postdays=0&postorder=asc&start=25 http://starquest.i-x.net/viewtopic.php?t=902 It would be a good idea to go through the fuel system as PQ shows in the above links and change out the fuel system filters and strainer. Plus get both injectors cleaned and checked at Witchhunters http://www.witchhunter.com/ For What It's Worth. KEN Edit - for checking the TPS see http://starquest.i-x.net/viewtopic.php?t=907 Edited November 29, 2010 by Starfighterpilot Link to comment Share on other sites More sharing options...
Mad wheeler Posted November 29, 2010 Author Report Share Posted November 29, 2010 I'm not sure of the fuel pressure but the fuel pump was shutting off but I fixed it.I still have the same problem the motor hits 3000 rpm and it stutters after that. I will check the injector. Thanks for the info Link to comment Share on other sites More sharing options...
patra_is_here Posted November 30, 2010 Report Share Posted November 30, 2010 3000 rpm free reving or 3000rpm under load? Link to comment Share on other sites More sharing options...
Mad wheeler Posted December 1, 2010 Author Report Share Posted December 1, 2010 Free reving. Link to comment Share on other sites More sharing options...
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