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Starting & RPM issuse(pretty long post)

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    Starting & RPM issuse(pretty long post)

    1)I have a 92 CB7 with a whole lot of issues. I have been driving her more often because my husband is driving my Civic.
    I have started to have issues starting the car. My clutch pedal switch broke so I jumped the connecter to make the car think the switch is being pushed. I haven't felt the need to put the clutch in when I start it and it hasn't been a problem. Last night, I moved my car around at church. It sat for 2 hours and when I tried to crank it to go home, it would start. The engine would turn but it would start. This happened 3 times and then it started up. I thought to myself to put the clutch in when I went out in the morning to start her. I did that this morning and she started up fine. I dropped my kid off at school and was probably inside for about 5 minutes. I come back out to start the car, clutch in, and it wouldn't start on the first key turn. It started the second time. I haven't a clue as to what's causing this half-butt start situation. Put a junkyard alternator on it back in July and a new rotor button because the old one wasn't doing its job.
    2) I have found that everything "feels" good when I shift at 3000 rpms. I was in 2nd gear this morning trying to pass a car so I sped up. The tach hit 3500 and my car started bucking like I had popped the clutch. It felt like there was a force keeping it from going past those rpms. I haven't had this problem in the past. I got to work and parked the car. I put it in neutral and revved the engine to 3500. There was a definite vibration from the front end and it seemed like the engine wouldn't take much power. Back in March, we replaced timing belt and balance belt.
    Could the timing have somehow gotten off over these last months of off and on driving, would lack of oil cause this(I haven't checked it in a few days), also have noticed the fan hasn't being coming on after I park it(pretty sure this wouldn't be a factor but I'm throwing it out there). The tach is the only thing that works on the gauge cluster and I'm pretty positive it is accurate. Also, I thought about the synchros. Sometimes, I have to re-clutch to put the car in 1st. The car sometimes randomly jerks even when I'm completely off the clutch and have completed a shift up.
    I did read another post here on the forum about the RPM thing and the situation is similar except that my car doesn't bog down or shut off. The car hits 3500 I notice that it's struggling to go anymore so I shift to 3rd. I will check the throttle cable and butterfly plate if the weather permits.
    Last edited by s.green; 10-13-2011, 10:25 AM. Reason: more info


    Newest addition to the family...

    #2
    Well, sorry to be the bearer of bad news but it sounds like several things are going on.

    The hard start issue could be a lot of things, not just the timing. Can you rule this out and check ignition and mechanical timing? I only ask that because you mentioned it being done recently. If so, Id double check that.


    If the clutch switch jump jobby was a shotty one, that could cause a similar bs starting issue. When was the last time a fuel filter went into the car? Sometimes, that can cause the same no start on the first try but starts on the second try stuff.


    Do you have any CEL's? You mentioned no oil, and that you havent checked it- is it leaking or burning it? If its being burned, theres a chance something else is going on. How healthy is the motor? Can you do a compression check?


    Basically, theres about 3213203651 things that could relate to your specific issue. A soon to fail O2 sensor could cause a similar issue just the same.


    The jerky clutch issue sounds like your clutch may be slipping. How old is the one you have? Do you have any issues in the clutch pedal, any signs the master or slave cylinder are going bad? Is the issue specific to upshifting, or does it do it when you down shit as well? Does it grind, or just have a hard time getting into gear?


    Sorry, Id love to give you an answer but you described quite a bit going on and its prolly not one specific thing to fix all.


    Ill be happy to try and help though.
    Originally posted by wed3k
    im a douchebag to people and i don't even own a lambo. whats your point? we, douchbags, come in all sorts of shapes and colours.

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      #3
      The hard start issue could be a lot of things, not just the timing. Can you rule this out and check ignition and mechanical timing? I only ask that because you mentioned it being done recently. If so, Id double check that.
      Whenever the weather clears, I will go back out and set everything to TDC.

      If the clutch switch jump jobby was a shotty one, that could cause a similar bs starting issue. When was the last time a fuel filter went into the car? Sometimes, that can cause the same no start on the first try but starts on the second try stuff. Fuel Filter went in last year when I got the car. This is probably the longest I have driven the car after the timing belt replacement. Normally, she sits for 5 days and then I drive her 2 days. Could be some junk in the fuel line.


      Do you have any CEL's? You mentioned no oil, and that you havent checked it- is it leaking or burning it? If its being burned, theres a chance something else is going on. How healthy is the motor? Can you do a compression check?the only CEL I have is code 17 for the VSS. I checked it yesterday just to be sure it wasn't throwing any other codes. Oil is leaking from the oil pan but not anything drastic and I did notice that when my cousin put my valve cover back on, he did a crappy job on the gasket. He only had my car because I couldn't figure out why it didn't want to go anywhere. He changed the rotor button and stuff because I didn't think to look over there. So, yes, oil is leaking and in fact I will have to do a new belt soon because oil is getting on the belt. The only burning smell would come from what's on the engine itself. It's pretty nasty and has alots of oil built up from the previous owner.


      Basically, theres about 3213203651 things that could relate to your specific issue. A soon to fail O2 sensor could cause a similar issue just the same.


      The jerky clutch issue sounds like your clutch may be slipping. How old is the one you have? Do you have any issues in the clutch pedal, any signs the master or slave cylinder are going bad? Is the issue specific to upshifting, or does it do it when you down shit as well? Does it grind, or just have a hard time getting into gear?
      don't know how old. It might be the original clutch because I really don't know how many miles are acutally on the car due to the VSS being out and because the odometer will randomly start moving and counting miles when the car is still. CLutch pedal feel is normal and the gears just won't go into gear when I'm downshifting. No grinding.


      I replied in Blue. I'm sure this looks jacked up but whatever


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