Aux port air control, problem!
05-22-09, 12:32 PM
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Aux port air control, problem!
Is it possible that my 1991 fc is working without Aux port air control cause I see the FSM and I can find it in my car and as I see my car dont have it (almost pretty sure).
Other thing that make me think this its cause I have 17, 30, 33, 38 error codes and it seem that 30 and 33 is IN, I mine it belong to the aux port air control (looked in the FSM).
f I dont have it plz somebody can Help me How to put and plug all the connections that Aux port air control has.
Could be helpfull if you take a pic of your car (91 year or similar) to see how it really should be my car (aux port air control part).
Im from Peru so I dont have to much help in here, you are almost all the good help I have.
*My car has K&N filter, not original air filter (just in case its neccesary to know)
*I will try to send pics also
Thanks
Other thing that make me think this its cause I have 17, 30, 33, 38 error codes and it seem that 30 and 33 is IN, I mine it belong to the aux port air control (looked in the FSM).
f I dont have it plz somebody can Help me How to put and plug all the connections that Aux port air control has.
Could be helpfull if you take a pic of your car (91 year or similar) to see how it really should be my car (aux port air control part).
Im from Peru so I dont have to much help in here, you are almost all the good help I have.
*My car has K&N filter, not original air filter (just in case its neccesary to know)
*I will try to send pics also
Thanks
Last edited by luyo; 05-22-09 at 12:41 PM. Reason: More info
05-22-09, 01:34 PM
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It is possible to run the car without functioning aux. ports. It will just cause poor performance. I have heard people mentioning putting some green on the actuators, and then going out for some fast driving. When you get back, check to see if the grease has been moved from the bottom of the rod. This should tell you that the actuators are working.
05-22-09, 04:10 PM
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Is your car a turbo or non turbo?
Is your car imported from the USA or was it imported to Peru from Japan?
Your code numbers don't jibe with the manual we have online.
The Aux port actuators are on the lower intake manifold and look like two small pots. See attached jpg.
The ECU cares not if they are actually moving or not. The ECU sees a problem with the wiring or solenoid for the 6PI solenoid and kicks a fault code.
The 6PI solenoid has one hose on it coming from the airpump and another hose going to the 6PI actuators. But like I say, the ECU only cares if the wiring is good or bad at the solenoid.
Follow the instructions on one of the jpg attached to see if that part of the elec system is good or bad. If it's good, then ohm out the wire from the solenoid to the ECU and see if it has continuity or not.
The 6PI solenoid will not work sitting in the driveway so there's no way to tell if the solenoid is opening or shutting off in the driveway. In my humble opinion this slight problem could be overcome by messing around with the car. Like pullng the TPS plug off..putting the transmision in gear and reving the engine. Maybe pulling the boost/pressure sensors vac line off and plugging it also.
I don''t have a series five so I can't do any of the above to prove it out.
To see if the actuators are working physically, just pull the two hose off the 6PI solenoid and couple them together. Start the engine and rev it up a bit and the actuators should extend, proving they will move. Has zip to do with the code your getting. That is a pure elect problem with the wiring or the ECU not putting a ground on the 6PI solenoid.
The 6PI actuators run off Air pump pressure, in case I didn't mention it. But lack of an airpump would not kick the code for aux ports.
Is your car imported from the USA or was it imported to Peru from Japan?
Your code numbers don't jibe with the manual we have online.
The Aux port actuators are on the lower intake manifold and look like two small pots. See attached jpg.
The ECU cares not if they are actually moving or not. The ECU sees a problem with the wiring or solenoid for the 6PI solenoid and kicks a fault code.
The 6PI solenoid has one hose on it coming from the airpump and another hose going to the 6PI actuators. But like I say, the ECU only cares if the wiring is good or bad at the solenoid.
Follow the instructions on one of the jpg attached to see if that part of the elec system is good or bad. If it's good, then ohm out the wire from the solenoid to the ECU and see if it has continuity or not.
The 6PI solenoid will not work sitting in the driveway so there's no way to tell if the solenoid is opening or shutting off in the driveway. In my humble opinion this slight problem could be overcome by messing around with the car. Like pullng the TPS plug off..putting the transmision in gear and reving the engine. Maybe pulling the boost/pressure sensors vac line off and plugging it also.
I don''t have a series five so I can't do any of the above to prove it out.
To see if the actuators are working physically, just pull the two hose off the 6PI solenoid and couple them together. Start the engine and rev it up a bit and the actuators should extend, proving they will move. Has zip to do with the code your getting. That is a pure elect problem with the wiring or the ECU not putting a ground on the 6PI solenoid.
The 6PI actuators run off Air pump pressure, in case I didn't mention it. But lack of an airpump would not kick the code for aux ports.
05-24-09, 01:51 PM
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Thank you HAILERS !
My car is NA, USA version.
Im not sure if you understand me, my problems are not the actuators, my problem is this part that is missing in my car
http://cgi.ebay.com/ebaymotors/86-90...Q5fAccessories
And it should fit in this part (check missing part on the attachment)
how this affects the car? and how to plug and where all the wires and hose.
*Im open to good recommendation to make my car better.
My car is NA, USA version.
Im not sure if you understand me, my problems are not the actuators, my problem is this part that is missing in my car
http://cgi.ebay.com/ebaymotors/86-90...Q5fAccessories
And it should fit in this part (check missing part on the attachment)
how this affects the car? and how to plug and where all the wires and hose.
*Im open to good recommendation to make my car better.
05-24-09, 02:06 PM
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What goes there is the ACV. The AIR CONTROL VALVE.
The ACV does not operate the 6PI actuators nor would it kick a code for the 6PI. The lack of the ACV will kick two codes. One for Split Air and one for Port Air solenoids........because those two items screw into the ACV and are electrically operated.
The airpump operates the 6pi actuators via the 6PI solenoid on the othe side of the engine.
The ACV does not operate the 6PI actuators nor would it kick a code for the 6PI. The lack of the ACV will kick two codes. One for Split Air and one for Port Air solenoids........because those two items screw into the ACV and are electrically operated.
The airpump operates the 6pi actuators via the 6PI solenoid on the othe side of the engine.
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05-24-09, 02:30 PM
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So... what is you recommendation? I should get one or keep it like that?
How this affects in my car??
*Sometimes my car goes good and sometimes not, its normal?
If you have an MSN at hotmail would be good to talk on line
05-24-09, 02:43 PM
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The ACV itself has almost zip to do with the running of the engine. What it does is send airpump air to the exhaust ports and at times to the split air pipe that is connected to the catalytic converter. The two solenoids on it are also just related to sending air either to the exhaust ports or the split air pipe at given times.
In other words it's emissions related....the ACV that is.
You'll have a lack of performance on the high end if there is no airpump to feed air to the 6PI solenoid which in turn makes the 6PI actuators work.
In other words the airpump has two functions. One is to send air to the exhaust ports and split air pipe...........the other is to supply air pressure to the 6PI acturators via the 6PI solenoid so the aux actuators will open at ?????3800 rpm or so for more performance.
I don't have a series five so I can't tell you the exact routing of the air from the airpump to the 6PI solenoid and the routing from the 6PI solenoid to the 6PI actuators.
IN general, the lack of working 6PI actuators means you're losing 10-20 hp at high rpms. I'm guessing at those figures. I don't KNOW the real hp loss.
I'd get me a airpump with it's mount brackets and install it. Make sure it's a series five airpump and brackets.
In other words it's emissions related....the ACV that is.
You'll have a lack of performance on the high end if there is no airpump to feed air to the 6PI solenoid which in turn makes the 6PI actuators work.
In other words the airpump has two functions. One is to send air to the exhaust ports and split air pipe...........the other is to supply air pressure to the 6PI acturators via the 6PI solenoid so the aux actuators will open at ?????3800 rpm or so for more performance.
I don't have a series five so I can't tell you the exact routing of the air from the airpump to the 6PI solenoid and the routing from the 6PI solenoid to the 6PI actuators.
IN general, the lack of working 6PI actuators means you're losing 10-20 hp at high rpms. I'm guessing at those figures. I don't KNOW the real hp loss.
I'd get me a airpump with it's mount brackets and install it. Make sure it's a series five airpump and brackets.
05-24-09, 02:56 PM
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The ACV itself has almost zip to do with the running of the engine. What it does is send airpump air to the exhaust ports and at times to the split air pipe that is connected to the catalytic converter. The two solenoids on it are also just related to sending air either to the exhaust ports or the split air pipe at given times.
In other words it's emissions related....the ACV that is.
You'll have a lack of performance on the high end if there is no airpump to feed air to the 6PI solenoid which in turn makes the 6PI actuators work.
In other words the airpump has two functions. One is to send air to the exhaust ports and split air pipe...........the other is to supply air pressure to the 6PI acturators via the 6PI solenoid so the aux actuators will open at ?????3800 rpm or so for more performance.
I don't have a series five so I can't tell you the exact routing of the air from the airpump to the 6PI solenoid and the routing from the 6PI solenoid to the 6PI actuators.
IN general, the lack of working 6PI actuators means you're losing 10-20 hp at high rpms. I'm guessing at those figures. I don't KNOW the real hp loss.
I'd get me a airpump with it's mount brackets and install it. Make sure it's a series five airpump and brackets.
In other words it's emissions related....the ACV that is.
You'll have a lack of performance on the high end if there is no airpump to feed air to the 6PI solenoid which in turn makes the 6PI actuators work.
In other words the airpump has two functions. One is to send air to the exhaust ports and split air pipe...........the other is to supply air pressure to the 6PI acturators via the 6PI solenoid so the aux actuators will open at ?????3800 rpm or so for more performance.
I don't have a series five so I can't tell you the exact routing of the air from the airpump to the 6PI solenoid and the routing from the 6PI solenoid to the 6PI actuators.
IN general, the lack of working 6PI actuators means you're losing 10-20 hp at high rpms. I'm guessing at those figures. I don't KNOW the real hp loss.
I'd get me a airpump with it's mount brackets and install it. Make sure it's a series five airpump and brackets.
and what if my car dont have catalytic converter its all tube till back of the car where I could connect this if I dont have in other words
05-24-09, 03:39 PM
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I"m saying............you possibly don't need a ACV. The 6PI solenoid gets fed from the hose b/t the ACV and the airpump.
Even if you do get a ACV. It feeds air to the exhaust ports in the main. The exhaust ports are where the exhaust manifold meets the engine. The ACV feeds air thru the intermediate housing to the exhaust ports. So if you do buy a ACV it will supply air to the exhaust without any other tubing. Well, there is a round checkvalve located b/t the ACV and the manifold that would need to be there/bought.
The ACV gets fed from the airpump. There is a large hose tieing the two together. I THINK the air supply for the 6PI solenoid is fed from that large hose. LIke I say, I don't own a series five so I don't KNOW for sure.
Now that I've written the above............if it were ME, I'd buy a used ACV and airpump/brackets for a SERIES FIVE car and install them. Make sure they are series five if you do that.
Even if you do get a ACV. It feeds air to the exhaust ports in the main. The exhaust ports are where the exhaust manifold meets the engine. The ACV feeds air thru the intermediate housing to the exhaust ports. So if you do buy a ACV it will supply air to the exhaust without any other tubing. Well, there is a round checkvalve located b/t the ACV and the manifold that would need to be there/bought.
The ACV gets fed from the airpump. There is a large hose tieing the two together. I THINK the air supply for the 6PI solenoid is fed from that large hose. LIke I say, I don't own a series five so I don't KNOW for sure.
Now that I've written the above............if it were ME, I'd buy a used ACV and airpump/brackets for a SERIES FIVE car and install them. Make sure they are series five if you do that.
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