Camry :: Motor And Harness Don't Have Provision For Vacuum Control Valve
Nov 30, 2014
Swapping a 2004 2.4 motor and trans into my 03 that has a locked up motor. Pulled the motor out of the 2004 yesterday and started tearing into my 2003 today and noticed that the 2004 motor and harness doesn't have the provision for the vacuum control valve mounted in the air cleaner lid like the 2003 has. Since I'll be using the harness and ECM from the 2004 into the 2003, wondering if I can just either use the lid from the 2003 and keep the VCV(hook lines back up) but not have electrical connection going to it. It will basically be pulling the vapors 100% of the time since there is no power going to it and it's a naturally open valve.
Using the harness from the 2004 that I pulled with the engine, there is no way of hooking up to the VCV since the 2004 didn't have one(hence no electrical connector).
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My wife has a stock 03 Passat 1.8t.
1. The car seems to shift too soon from 2nd to 3rd and i can hear the turbo drop pressure. It sounds like a quiet blow off 3 or 4 times when it shifts from 2nd to 3rd.
2. There is a vacuum control valve that sits on top of the air cleaner box and it ticks a lot. it has a electric plug going to it.
3. The car has a rough idle while in drive and sometimes shifts hard. I changed plugs, trans flush and filter change.
I would take the car to a VW dealer but the closest one is about a hour away and my wife needs the car.
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02 F150, 5.4 gas motor, about 338k miles. Bought this truck well used so I would have a truck when I needed one. Someone has removed the heater control valve. I've got a new one, but there is a port on the top for a vacuum line, but where this line plugs into.
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Where Gen5 Camry heater control tab/valve is located? I can't seem to find in engine bay. Is it in cabin under dash? Under drivers side dash, I can only see heater control valve cable. I have got a hot coolant coming to heater core, so heater control valve must have gone bad.
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I cannot find the Oil Control Valve Screen location for my engine. I have also seen one post that said this engine doesn't have one, but I thought that was odd.
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I just bought a 05 1.8T Jetta 116,000miles. and need diagnosing it. It misses all the time. Has new plugs I tried two other sets of coils (from my 2.0 a4 and my dads passat) and it made no difference. The SAI was taken out but nothing is blocked off. Also the coil pack wiring harness has cracks on the big brown wire where it goes down along the block. I'm getting these codes on my vag-com.
16687 cylinder 3 misfire
16686 cylinder 2 misfire
16688 cylinder 4 misfire
17766 cylinder 2 open ignition circuit
17763 cylinder 1 open ignition circuit
17769 cylinder 3 open ignition circuit
17772 cylinder 4 open ignition circuit
So am I correct in thinking that it's from the cracked harness? An not a vac leak?
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I have what might be a big problem, the main harness on top of the drivers side valve cover I can't get undone, the bolt holding it together is stripped or the nut who knows? wondering if there is any way to take it apart otherwise.
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I need to put a check valve into the vacuum line that runs to the gas tank. I know that this line is somewhere in the rear passenger side of the engine compartment, but there's so many lines there that I find myself confused when I look at it.
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I have a 1998 JGC. 4.0L motor. Driving it around town the motor would just shut off. Used to do it once in a while....then started happening more and more. I replaced the spark plugs, wires, cap and rotor....thinking maybe it needed a tuneup. Sometimes it restarted right away (right after it quit). Sometimes it wouldn't start until the next day.
So two days ago, daughter was driving it home from work and the motor just quit again. This time it will not restart. Motor cranks over fine. I read on this forum that this is a sign of a bad CPS....although a bad CPS will usually allow you to drive home eventually. So I replaced the CPS. Cranked it over....no change. Now, to check for spark and fuel. I turn on the ignition...I hear the fuel pump in the tank going. Then I pull the coil wire (brand new since I replaced all wires)...and put a spark plug on it....crank the motor....and NO spark. I then pull the wire harness that feeds the coil. It's a 2-prong plug. I turn on the key and nothing showing on the voltmeter.
I then put the volt meter on the battery and it reads fine. So I follow the coil harness connector back...and it just goes into the main engine harness. I then put the OBDII reader to the port in the Jeep and turned on the ignition. I get "Link Error".....so it's not getting a read, but the cigarette light is working...so the port is fine. So no spark to the coil harness and the Link Error does this mean a bad ECM (computer)? Also note that the fuel gauge (and maybe other gauges) are not registering when the ignition is turned on. The check engine light is not on. Maybe security system? I thought a security system failure would turn off spark AND fuel....but I hear the fuel pump running.
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This is my other question. I have an APR program and turbo-back billy boat exhaust. I installed a boost gauge that gets the reading off of the intake manifold (fuel regulator.)
So if I'm just tooling along, short-shifting and only using 1/10 throttle, and my boost gauge never reads above -5, let alone 0 or positive, why does my valve release pressure?
Why would there be pressure to release if there is a vacuum, according to the gauge? I wouldn't think that a recirculating or blow-off valve would work in reverse.
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The check engine light came on yesterday. 2004 with 115K. Auto Zone read the codes and they are as follows:
Definition:
Idle Air Control Valve control circuit.
Probable Cause:
Open or short circuit condition.
Poor Electrical Connection
Failed IAC motor
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I have an '04 Explorer Limited and lately only blows cold air. I've read about the blend door motors but it's been too cold in MI to want to do much--so the truck sits.
When I was troubleshooting the problem I found that I'm not getting any vacuum signal to the heater valve in the coolant line. Before I contemplate removing the console & doing surgery on my dash I'd like to know for sure what position the valve should be in when heat is called for.
All the other vacuum actuators seem to be working normally and there's no disconnected hoses under the dash; and no leaks. Coolant reservoir is full.
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What this part it is? It sits over the alternator on the driver side and looks like a couple vacuum hoses plug into it. Mine is making a very loud buzzing noise.
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I have a '98 Ford F-150 XLT, 2WD, Short bed, Ext. cab, 4.6L, automatic trans. with 65,000 orig. miles. I bought this truck new. When I have the A/C or heater or just outside air coming in through the dash or floor vents, the air will switch to coming out of the defrosters when I accelerate and then the air will return to it's normal position when I let up on the gas. Is this caused by a bad vacuum check valve and if so where is it located and what does it look like??
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I replaced my EGR valve vacuum check valve, but now started getting sputtering/rough idle. I'm pretty sure the direction of the vacuum check valve is correct, but I tried both ways to be sure and still got the sputtering at idle.
The old vacuum check valve didn't give me the sputter. I only replaced it because it was melted and I'm not sure it was working. I included a photo of it. It's orange and black.
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Looking for wiring diagrams for a 97 gran marq. Specifically I want to hotwire, the climate control , to give me heat and defrost for more then 2 minutes an hour. I've got the climate control unit out of the dash, and the relays click just before the heat comes on for a few minutes. Of course that was an invitation to smack things with the screw driver. OOPS If there are no heater fuses hiding, besides the ones over the parking brake, I've now also destroyed the unit. Blocks of wood on the vacumm actuators, and wiring the fan direct will work with my unemployment check just fine. BRrrrrr it cold in the car...
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Question, I have a 2003 VW Golf GLS 2.0L AHV (5 speed). The brake vacuum line is cracked after the check valve on the intake side. I looked up the part number on the hose (at work and don't have it on me at the moment), did some research and noticed some revisions to that part number. Eventually settled on [URL] ..... (I ordered a new one since I needed to order a few things). Needless to say, I am beginning to think I ordered wrong.
I noticed that the check valve on the new hose has a 3rd piece that a smaller hose looks to clamp on? The check valve that is in my car doesn't have that. Did I order the wrong part? or did I need to be a cap?
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Can't find the PCV air inlet hose to the crankcase on a 5.4 3 valve V8 2006 F150. Most PCVs let air in on one bank and out the other bank on a V engine, but this engine has hoses going from BOTH banks valve covers to the intake manifold. The crankcase is under vacuum(8 inches vacuum at dipstick tube, 6 inches at each valve cover). There should be air flow in the crankcase not vacuum. No air is getting in which results in a vacuum in the crankcase.
Once the vacuum builds up enough after a few seconds when the engine is started the engine begins to whistle where air is being sucked in(can't figure out where) at a seal or gasket. If air could get in as it should there wouldn't be a vacuum in the crankcase and the engine wouldn't whistle. Where is the air inlet hose for the PCV system on the 5.4 3 valve V8? It must be clogged or blocked resulting in a vacuum. I can't find the hose and Alldata doesn't show it.
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Is it possible to add the decent control if my truck didn't come with it? Is the harness already wired for it and the computer programmed for it or would I have to get it reprogrammed and get a new harness?
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I have an 2002 Volkswagen GTi 337 edition with the 1.8t engine in it. My check engine light came on so I went to my local autozone to check the code and that's what code it threw on the ODBII sensor. It says my problem could be a "failed clutch vacuum vent valve switch". It also revs about 100-200 rpms extra in between shifts and I'm not a mechanic but know a little about cars. I just don't know if I should replace the OEM clutch safety switch or what I should do about this.
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I am in the planning stages of installing / upgrading my X's sound system. This isn't the first time I've done an install like this before, but am running into a bit of trouble with the steering wheel controls.
I know there are options out there as far as interfacing, but my problem is finding the other harness. To be more specific, I know if I pull my radio out, there are 2 harnesses back there. One is the one you get the kit and splice the after market radio into the factory harness. EASY I Know.
Now, need a harness that plugs into the other plug? I'm not a fan of cutting/splicing into factory wires. Most of the steering wheel control kits just require you splice with 2-3 pins on that other Plug and you should be set. I'd really love to just have another adapter that plugs into that harness so I can connect what I need.
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