Dickinson County Comanche Posted April 19, 2020 Share Posted April 19, 2020 So I recently get my Comanche back on the road after 18 years (yay!) but, I’m having a reoccurring issue. If I cold start it, it will rev up to about 2k then drop to about 500ish, then it will stumble and jump to 750 where it will idle consistently. If you rev it up past 2500ish, when it drop back down, it will stumble then die. I’m not sure what would be causing this, as it runs great at higher rpm, and had plenty of power. I do, however, think it’s running rich, because it smells a tiny bit. things I’ve done so far: new fuel tank new fuel pump/sender new fuel filter removed the thermostat (old one corroded closed) new air filter. refreshed the main grounds on the block. it has plenty of pressure to the rail, and I’ve put about 50-ish miles on with no avail. I’ve also ran sea-foam through it, which helped a tiny bit. I’ve already ordered new injectors, and will be installing them. I might also check the TPS, but I think it’s fine. any help is appreciated. Link to comment Share on other sites More sharing options...
JMO413 Posted April 19, 2020 Share Posted April 19, 2020 I would clean the idle air control valve. Link to comment Share on other sites More sharing options...
Dickinson County Comanche Posted April 19, 2020 Author Share Posted April 19, 2020 (edited) 40 minutes ago, JMO413 said: I would clean the idle air control valve. I cleaned the ICV, to no avail, and the ICV is indeed working, as it would “idle” at ~2000rpm when unplugged. Edited April 19, 2020 by AwashCascade Added info. Link to comment Share on other sites More sharing options...
WahooSteeler Posted April 20, 2020 Share Posted April 20, 2020 Clean the throttle body, pull the EGR transducer and see if any of the 3 holes on it are clogged, look for vacuum leaks. Link to comment Share on other sites More sharing options...
Dickinson County Comanche Posted April 20, 2020 Author Share Posted April 20, 2020 2 hours ago, WahooSteeler said: Clean the throttle body, pull the EGR transducer and see if any of the 3 holes on it are clogged, look for vacuum leaks. Ok. I shall do that in the morning and report back if it improves anything. Also, I love your suits, but it must be a pain getting a 65 extra fat, and a 12 dwarf. Link to comment Share on other sites More sharing options...
WahooSteeler Posted April 20, 2020 Share Posted April 20, 2020 7 minutes ago, AwashCascade said: Also, I love your suits, but it must be a pain getting a 65 extra fat, and a 12 dwarf. 10-4 good buddy! Greatest movie of all time LOL! Link to comment Share on other sites More sharing options...
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