92 Amigo with several issues. The first thing is the way its running, sometimes it idles file and has power, but you drive it and its on and off with it running like its not getting enough gas. When I got it cyl #1 plug was loose so I put in new plugs and it and it seemed to idle perfect but then the next morning I went to drive it and it slowly went back to running like it had something clogging the power, at times it will have the power, other times it idles rough, tries to die sometime at idle. I bought a new fuel filter but I dont know where to install it, any ideas? Third issue is the signals, they click but no lights in dash and nothing on the outside of the car. Help Anyone!!! I think it's a 2.3 l 2wd, I dont know how to tell really what type of engine it is.
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the fast idle is probably controlled by your computer however several things can cause a bad idle you have a fast idle sensor this will kick in when you first start or when your a/c is on plugged fuel filters bad air flow thru your air cleaner plugged fuel lines or fuel filters are their any codes in your system? o2/sensors can effect idle
block off vacuum hose to brake booster and see if idle returns to normal if it does you need new brake booster has hole in diaphram internally some times slight hissing noise is evident in cab when pressing brake pedal to section where engine surges or idles high. also check for fuel leaks from hoses if you can smell fuel in engine bay while running and engine warm some leaks only leak while running and hot
Hey, good job ordering the "main relay" honda have a BIG problem with this issue. That sounds like your right on target. Some other ideas to kick around if that doesn't work.
1. Clean the throttle flap
dirt get on flap restricting air flow causing stalling issues. (Clean with B12 cleaner in the white can and a rag. Don't use too much B12 cleaner. 10 seconds is more than enough. )
2. Check Idle Air Control Valve
check the Idle air control valve on the back of the intake manifold ( firewall side on engine) remove the two bolts and inspect the screen in the valve for dirt and carbon. You can replace it, but it just may need to be cleaned.
check the cylinder pressure. Mine does the same, and is suspected to be due to a worn cylinder or worn valves leaking. (do your valves click too?) Supposedly, the leak in pressure is causing less efficient combustion which leads to the fumes and slight loss of power / MPG. I haven't been able to open the engine to test mine yet. I am waiting until I can put in new valves, etc. before I go in.
The other thing that you may want to check is the thermostat. When my got stuck open a few years back, it had similar symptoms. Turns out when started, the engine wasn't allowed to warm up to normal operating temperature because the cooling system was triggered by the faulty temperature sensor to try to cool the engine down. Once it warmed up everything was back to normal. The most noticeable thing about this is prior to the problem, the engine would idle really high at start up for about 30-45 seconds, then settle into it's idle pur. One day it just started and immediately went to idle, and sometimes would require gas to keep it from stalling. The problem would not occur if the engine was warm. Putting in the new temperature sensor solved it.
its not the crank sensor... i have the same problem in my 92 3.9L dakota. ill be driving and it will just shut off with no steering, and the brakes are hard as hell to push down... th only thing i have replaced in the ignition is the computer. i have replaced everything else. even the crank sensor. so dont waste your money and thanks for telling me its not the computer either lol. if you find a solution please tell me thank you.