2000 Chevrolet Camaro Cruise Control INOP

[EvilSmirk]

Re: 2000 Chevrolet Camaro Cruise Control INOP

That usually kicks back a SES light though doesn't it?

[EvilSmirk]

Re: 2000 Chevrolet Camaro Cruise Control INOP

Status Update...replaced the plugs with Bosch Platinums, removed the wires, coils and ICM. Cleaned and used dielectric during reassembly. Still having the issue of reduced power, but with no reduced engine power or ses lights.

Thinking now it's either the O2 sensor, Cat, or bad fuel. Might try removing the O2 and see if that helps. Will probably try using some good gas with an additive also to see if that's it.

Other than that, I have no idea.

[silvachris1]

Re: 2000 Chevrolet Camaro Cruise Control INOP

I'm at a loss here man. You may need to take it in to a dealership and have them hook it up to the Tech II computerand do a full diagnostics test.

[EvilSmirk]

Re: 2000 Chevrolet Camaro Cruise Control INOP

Drove it down to a gas station that I trust more than the local one and filled the tank up with some 93 Octane. Seemed to help with the reduced power issue, at least for a while, but now I'm getting an SES. Took it to Advance Auto Parts and the Light is kicking back a Random/Multiple Cylinder Misfire error.

Had the same problem a little over a year ago and I ended up working from the plugs back, which meant the plugs, wires, coils, and eventually the ignition control module before the problem was solved. My current thinking is that I either hooked something up incorrectly or not as securely as it should be.

I'm going to remove the plugs, wires, coils, and ICM when I get the chance and ensure that everything is cleaned and connected correctly.

Silvachris1, thank you again for all of your help so far. I probably should've just left everything alone and started with the fuel idea that you had stated earlier.

[DAS BOOT]

Re: 2000 Chevrolet Camaro Cruise Control INOP

As for Cruise control issue....


check your switches, especially since there was playing around with the master cylinder...

I had a similar problem with mine, checked with HPtuners, and I had a code but not a SES light that was showing my clutch switch was always engaged. I look at it, it was adjusted too far forward and the clutch was always tripping it.

I adjusted it and it worked fine. As far as I know Cruise control on 2ks is 100% electronic with the drive by wire throttle body. Its not an exact science on the switches, just eyeball it.

Also check the wiring it becomes a little bit of a maze.


As for other issue don't worry about it too much until you get new gas.

[EvilSmirk]

Re: 2000 Chevrolet Camaro Cruise Control INOP

I've got the new gas this past weekend and have put only about 20 miles on her since. I don't think I wired her up wrong because I was sure to place tape on the plug contact end of the wires as well as the coil end. Not with a particular cylinder number or coil contact, but more in order of what I saw to help me with the reinstall. Such as 1-3 for the left bank of cylinders from the front to the back and 4-6 for the right bank also from front to back, and 1-6 for the coil contacts from front to back. I did use a lot of Dielectric though, perhaps too much. I want to now remove the coils and ICM and clean everything down real good then be a bit more stingy with the application this time.

Once I get her running like normal again I'll tackle the cruise control issue with what you suggested Das Boot. It's entirely possible that I actually made the switches thread to far their respective locations. I'll have to back them out a bit, especially the clutch switch.

[silvachris1]

Re: 2000 Chevrolet Camaro Cruise Control INOP

Well, I posted this earlier, but maybe you just missed it.

The switch contacts should be open at 25.4 mm (1.0 in) or less of pedal travel. The switch contacts should occur at the same time or before the onset of braking. The brake pedal travel can be up to 25.4 mm (1.0 in) before the cruise control system disengages."

and

"The brake pedal may travel up to 25.4 mm (1 in) before the cruise control system disengages."

Check to make sure that the pedals aren't tripping the switch when they're not even being pressed. You can use a light tester, since it'll make it easier than eyeballing it.

[EvilSmirk]

Re: 2000 Chevrolet Camaro Cruise Control INOP

I had seen that post, but hadn't had much, if any, time to really get under there and check it before the current problem showed up.

[EvilSmirk]

Re: 2000 Chevrolet Camaro Cruise Control INOP

Does anybody know how best to check the functionality of the ignition coils?

I've let the 'good' gas get through it and put in some STP Octane Booster to help counter some of the effects we discussed before as well as clean out the fuel system. There is an improvement, but she's not quite there yet and is still throwing the Random/Multiple Cylinder Misfire error.

This weekend I'm going to disconnect the plugs, cables, coils, and ICM. Give everything a good cleaning, reapply some dielectric (more stringently this time), and reassembly. I'm hoping that takes care of it, but if that doesn't, my thoughts are that I'm loosing one of my coils or the ICM is going again. But, the question still stands, how do you correctly check the functionality of one of the coils on our F-body?

[silvachris1]

Re: 2000 Chevrolet Camaro Cruise Control INOP

Well, whenever I had a specific misfire, I would swap one of the coil packs with another and see if the misfire moved with the coil. If it did, it's the coil, if not, it's the wires/plugs that are attached to that coil, or the ICM.

When it's a multiple random misfire I don't know. You could buy a new one and start swapping it in one at a time, till the misfire goes away, or just get all new stuff and start from scratch again. I personally don't know how to test a coil for proper voltage output and whatnot.

[DAS BOOT]

Re: 2000 Chevrolet Camaro Cruise Control INOP

Does anybody know how best to check the functionality of the ignition coils?

I've let the 'good' gas get through it and put in some STP Octane Booster to help counter some of the effects we discussed before as well as clean out the fuel system. There is an improvement, but she's not quite there yet and is still throwing the Random/Multiple Cylinder Misfire error.

This weekend I'm going to disconnect the plugs, cables, coils, and ICM. Give everything a good cleaning, reapply some dielectric (more stringently this time), and reassembly. I'm hoping that takes care of it, but if that doesn't, my thoughts are that I'm loosing one of my coils or the ICM is going again. But, the question still stands, how do you correctly check the functionality of one of the coils on our F-body?

Did this happen after a tank of gas?


You can meter them but I hear this isn't even the best way. Rearranging them and seeing if there is a change where the misfire happens.

Is it random misfires all over, or just one or two specific cylinders?


Did you get ALL of the bad fuel out... I'd keep putting 93 octane in every time you can put at least a 1/4 tank in. Consider swapping the fuel filter and plugs.


and a generic fuel system cleaner wouldn't hurt anything...

[EvilSmirk]

Re: 2000 Chevrolet Camaro Cruise Control INOP

I took it all apart again yesterday, gave everything a good wipe down, reapplied some dielectric and put it back together ensuring the coils and cylinders were connected properly. The issue is still there, but I can't from where it's coming from. It's still kicking back the random/multiple cylinder misfire error. I picked up another coil from Advance yesterday, not one of the AC Delcos that I have on now, but the factory standard (cheaper) version they had on hand. I'm going to test swapping the coils out one at a time and see if that takes care of it. If it does, I'll find one of the AC Delcos to replace the factory standard. If it doesn't, it's either two coils, which I think I'd see a lot more of a power drop if it was, or the ICM.

I'm going to try and pick up a fuel filter also for next weekend.

Not sure if I've gotten all of the bad fuel out yet, but it's running better than before, and I've used Octance Booster to try and help.

Did the plugs last weekend.

[DAS BOOT]

Re: 2000 Chevrolet Camaro Cruise Control INOP

If its getting better with fuel... skip spending money on other stuff.. Don't worry about octane booster, that stuff is kind of lame... it really only bumps octane leves by .X so if you have 87, and add it, its like 87.X now. not bumping it ot like 93...


Drive the car, burn as much of the old gas out and add 93, to help counteract if its less then 87 in your car now.


Bad gas is not as uncommon as one thinks.



if you hae a scanner like HPtuners, you can see which cylinders are misfiring, know anyone with it?

I helped a guy out at a meet, his car was running like ***, misfiring. Hooked up hptuners, saw it was ll Cylinder #5, changed 1 plug and was good


If you have a bad coil, the scan will show that only two cylinder are misfiring. Swap the coil and see if the misfire follows the cylinders the suspect coil went to.

[EvilSmirk]

Re: 2000 Chevrolet Camaro Cruise Control INOP

Unfortunately I don't have an HPTuners Scanner. The guy at Autozone used their scanner, which would've specificed the code for a particular cylinder if it was just one, but it kicks out the code for Random/Multiple if more than one is misfiring, which is why I thought it was a coil instead of a wire or plug. Ended up replacing the third coil. Well, third at this time, but over the past two weeks I've removed the coils at least twice and it's entirely possible they got switched around during that time. Still a little laggy compared to what I'm used to, which might mean still some bad fuel and a clogged fuel filter. I plan on now running the tank till empty, at 3/4 now, almsot all of which is 93, but there is bound to still be some bad fuel in there. Once empty, I'll add another gallon of 93, and let it run at idle till it's completely empty, then add another gallon of 93 to get me to a gas station so I can fill up completely with 93 and then swap out the fuel filter at some point after letting it run dry.

Are there any adverse effects to letting the tank run dry?

[CDNFB]

Re: 2000 Chevrolet Camaro Cruise Control INOP

if you hae a scanner like HPtuners, you can see which cylinders are misfiring

I use my timing light. Move the induction pick up to each wire and watch the flashing strobe. When the strobe light flashes are intermittant or non-existant, then I've found the circuit with the problem.