My car has the hick-ups>>
#1
Ok fellas, Here is my dilema. I have been noticing that when I let my car warm up or just idle it was this sporatic wave of vibration that pulsates though the cabin. Well I decided to clean the throttle body out today to see if maybe that would help the vibration thing. I gave the TB its last shot of carb cleaner and bolted it back up. I turn the car on and it went through its normal choking session. I wanted to look at the engine with the car in DRIVE, so I pulled the e-brake got out the car. Anyway, I took a good look at the engine to see if anything was weird. I put my hand on the top of the engine and the car looked and felt like it had the hick-ups. It felt like the engine was missing, it sounded like an actual hick-up. Since my exhaust makes a beefy sound I could hear the engine sporaticly struggle. Does anyone have any clues??
I happen to think its either the distributor cap + rotor, or maybe the PCV. Those are the last 2 items I haven't replaced. I had a major problem like 4 months ago with the plug wires, where the car wouldn't fire on all 6 cylinders. I replaced the wires and things were great.
Any suggestions,
ICE
I happen to think its either the distributor cap + rotor, or maybe the PCV. Those are the last 2 items I haven't replaced. I had a major problem like 4 months ago with the plug wires, where the car wouldn't fire on all 6 cylinders. I replaced the wires and things were great.
Any suggestions,
ICE
#2
you know whats funny? i just noticed that the oterh day with my car too, i started it up cold in the drive way and i sat in it with the radio off, and i heard several noises. one was what your hearing i think, my rps flickerd a couple hundred rpms, and the car shuttered and choked a bit while runing smoothly in between. kindoff like rrrrrrrhmph rrrrrhmph hmph rrrrr...., but then it went away after about a minute maybe? then the second sound was like water gurgling through my air vents, but scott said it was just air in the pipes. BUt the first noise i have no clue what it could be, but it went away so i didnt focus on it much.
#3
Me too. Seems like this is just a standard cold problem for the Max's. I was also having problems starting, I turned down the fuel pressure riser a pound and it's started much better. I mostly notice the miss at around 2,500 rpm. This may be due to the ecu compensating for a lack of signal from the MAF and O2 sensors untill they warm up, then, it stops "missing."
![got me](https://maxima.org/forums/images/smilies/ne_nau.gif)
#4
?
Does it hiccup after it warms up? Because that's the problem I had for the last 54K miles (I'm at 119k now). I tuned it up, made no difference. Took off the EGR and tested it, EGR worked fine. It didn't get any worse so I just left it alone.
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