20 Most Recent 1987 Chevrolet Camaro Questions & Answers

Inspecting your other problems first:(as yo replaced you MAF)

Take a real good look at the throttle "butterfly" valve. They have a tendency to get buildup with dirt and will stick slightly open, confusing the computer into thinking that you are pushing on the "go" pedal. Get some carb cleaner, or even better, GM Top Engine cleaner, and really clean out the throttle valve and air intake area. I have seen several similar problems fixed this way. If this does not take care of it, it may be worth paying someone an hours labor to hook up a good scanner and see what is going on. You can waste a lot of money on the newer cars throwing a lot of expensive parts at them and still not fixing the problem. It could be a simple loose connection somewhere. A good tech can catch this type of stuff with a good scan tool.
Always check the fuel pressure .
It might be the in tank fuel pump or clogged filter

checking that can be done by you easily:
you might check the ground wires that are located at various places on the engine
check your IAC valve (idle air control), this is located on the passenger side underneath the throttle body. These get all carboned up and can't re-seat themselves properly. You may have to perform a minimum idle setting also. This isn't to hard but is more complicated than on a non-computer controlled

MAF signal checking:

I used a small straigt pin and shoved it in the back side of the MAF connector on the signal line. I started the motor and expected to see the voltage signal to start low at idle and increase smoothly with engine speed. Instead what I saw was a stead 5 volts meaning the ECU had supplied the bias signal but the MAF wasn't loading it down to generate the signal. The issue was that the MAF socket pins in the connector were slightly sprung and had a thin layer of oxidation on them. I tiny rolled up piece of sand paper buffed the terminals up. A tiny pick probe was used to squeeze the socket pins closed slightly. A light doping of dielectric grease kept the moisture out and it's been running fine for 5 or so years no

Hope this helps,kindly RATE ME

Question edited for clarity. Question moved to model category. Help here. The Camaro forums are a great resource. https://www.google.com/search?q=1987+Chevrolet+Camaro+IROC-Z.+Wiring+diagram ..

When it doesn't start does it not turn over or does it not fire? When you are driving does it sputter and quit or just suddenly stop running? Does it make a difference what speed you are going? Does it happen after a certain period of time? Does it quit when going over bumps? When it quits will it start right away, or wait a little bit or get it towed home because you don't know when it's going to start again? Do you still have a carburator or throttle body? These questions would help to narrow down what could be causing your problem.

I think I would be looking at the crank angle sensor and/or the cam sensors on this vehicle.It seems to me the engine isn't getting the signal to fire up.What happens when you squirt some fuel into the combustion chamber ? If it fires up I would be looking at cleaning the injectors.If it doesn't fire up What's the pressure on the fuel rail. does it have a buy pass pressure valve on the rail.Some suggestions good luck

There is probably something else going on - a malfunctioning MAF should not immobilize the engine, but trying to clean it is a bad idea as it is very sensitive to failure with the wrong cleaning procedure. Check the power at the starting motor solenoid with the ignition in start position - if missing, check fuses, and wiring back to the ignition switch, and the switch itself.

40 to 47 PSI and http://parts.nalleygmc.com/showAssembly.aspx?ukey_product=2846817&ukey_assembly=371985 will answer your regulator question I’m happy to assist further over the phone at https://www.6ya.com/expert/brock_d67526d2a834c47e

the 2.8l multiports have a problem with fouling out all 6 plugs in a short time. start with a new set of plugs. i had an 87 firebird that would foul out all 6 plugs from sitting one day.

You'll have to come back with a lot more info to get any answers.

Are any of the fuel injectors leaking or stuck open ? Can you disable the fuel pump and get it to run on the fuel in the lines ?

Most likely the IAC (idle air control) motor is sticking and dirty. Clean the throttle body, make certain the accelerator cable and TV cable is adjusted properly. Good luck

electric fans not going on causing engine to overheat

go to mitchell1diy online and pay the ten bucks if noone responds..

remove ground cable to battery for five min to one hour then reconnet if still on after another problem most likely

Is there a check engine light on and if so have you had the codes checked? There is an idle air control motor located on the side of the throttle body. It has a 4 wire square plug connecting to the motor. It is likely not controlling the idle air. It may be varnished and stuck or has failed. You can remove it, clean it and retry it or replace the motor. Good luck.

There is a fuse that gives power to your obd11 hookup and if it's burned out you will not be able to link up to the computer. That was the case with my 1999 Chevy blazer any way. This fuse was located in the fuse panel inside the rig, also if someone has updated the computer for performance only a dealership can get around this. Hope that helps. Jeff Horton

Have you checked fuel pressure ? Is the check engine light on ?