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I have a 93 ranger 4.0 and the vacuum line from the cruise control keeps blowing off, check engine light comes on and truck dies when coming to a stop or when in reverse real bad. Check engine light goes off truck runs fine. What is going on here? Thank you for your time

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  • Cars & Trucks Master
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Interesting since the vac line should have vac in it instead of air pressure.
Have you checked the computer for trouble codes yet ?

Posted on Jul 19, 2013

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Posted on Jan 02, 2017

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SOURCE: check engine light

I know the problem there is a car sensor in your Vechial that is bad it is near the engunie. Thats what triggers off. This happen to me and the guy go this thing that he pluged it in fuze box. Yes that means that there are errors you should take the vechail to a Mercedes Benz Dealer tell them that this the problem. Tell them if you guys could use the computer to correct any errors and can you check my Electrinc system sensor to make sure that is okay because that does trigger it off.

Posted on Jul 20, 2008

SOURCE: 2000 izuzu rodeo

Wires on the wiring harness need to be replaced. The dealer will want you to get the work done for $1200.

Posted on Aug 27, 2008

  • 55 Answers

SOURCE: electronic throttle control, cruise control

You need to have the codes read. The electronic throttle relies on an APP sensor and a TPS sensor. A problem with either one of these will cause this. Also, the cruise would be affected by this, as there is no cruise servo, it's controlled be the electronic throttle body.

Posted on Oct 19, 2008

  • 958 Answers

SOURCE: 2003 ford ranger battery light comes on

i think it is the alternator because the idiot light is connected to your regulator of your alternator. it is an indication that your alternator is not charging anymore.

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drcool

Posted on Nov 08, 2008

  • 4088 Answers

SOURCE: check engine light, cruise control light flashing,

Take the car to Autozone or similar business for a free code read with a scanner. Depending on what turns up, they will be happy to sell you any needed parts.

Posted on Dec 26, 2009

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My 1997 ford ranger a/c dash vents won't blow


Vacuum supply starts on the drivers side of the engine. There is a vacuum line going into the brake vacuum assist from the manifold. branching off of that line is a double line that snakes under the intake manifold, behind the valve cover, along side the valve cover on the passenger side headed to the front of the engine. Then it curves to the right side of the engine. One set of hoses from this line goes to a valve control (red and green i think). The other line goes to the vacuum storage ball, it should be black. The vacuum circuit continues out of the ball in another black line that snakes into the firewall. It goes under the heater core black box and disappears under it. Now go into the passenger compartment and drop the glovebox. look to the back right you will see a black and a white vacuum line coming out of the firewall. The black line is your vacuum supply from the engine. It goes up to a little rubber manifold. disconnect the lines coming from the dash switch and check for vacuum on the manifold where the black line is going in. The white line controls the cabin air intake under the glovebox and the thermostat shutoff under the hood. It should only have vacuum when the switch is in a certian position, AC probly. The other three lines coming off the rubber manifold snake behind the dash vent door assemble and come out near the gas peddle. The red one controls the dash vent. apply vacuum to the red hose and see if the vents go to the center dash position/AC. The yellow and blue? ones control the floor vent control near the gas peddle. yellow gives you half floor and half defrost. blue gives you all floor. you can use a small vacuum line to connect the black vacuum supply to each individual line on the manifold and check the function of each vacuum control assembly individually. I hope this helps. On my truck each control unit works fine when i apply vacuum to them individually but when I hook the dash switch up to the rubber manifold it goes to defrost. I tried changing the dash switch and the lines running from the switch to the rubber manifold and the vacuum ball under the hood, nothing works. I suspect I may have leak i just haven't found yet. next step is to get a vacuum gage and start checking the amount of vacuum i am getting at each vacuum line. I'm sure it is supposed to be getting a specific amount of vacuum and will not work if the vacuum drops below a certian level due to a leak in a line somewhere? God bless.

May 28, 2012 | 1997 Ford Ranger SuperCab

1 Answer

Envoy 2005 XL Cruise control not working


Your dealership should have seen any underlying codes. Most Cruise controls I've worked on are used on the vehicles vacuum. that is where i would start, because on a grade your engine uses more vacuum pressure thus taking from some where else.

Jan 12, 2012 | GMC Envoy Cars & Trucks

1 Answer

The cruise control light comes on but it does not engage. It's a 1995 pathfinder.


If your light comes on but the cruise control does not engage you may have a vacuum leak some where. When you set your cruise control your vehicle uses vacuum to maintain speed and if you have a vacuum leak this can not happen. Try checking all of your vacuum lines. I hope this helps.

Aug 26, 2011 | 1995 Nissan Pathfinder

1 Answer

CHECK ENGINE LIGHT COME ON CODE PO573


cruise control= check the fuse for cruise control also check the vacuum line hope this helps

Jun 27, 2011 | Dodge Ram 1500 Cars & Trucks

1 Answer

Cruise controll not working


Here is a posting from another site, I suggest read it...

I posted on Thursday about my 2001 Cherokee Sport - thought I would give an update on here that may help someone else.

After thinking about things alittle more -
Symptoms -
* All air going to defroster mode
* Cruise Control not functioning
* Check engine light on. Code decoded as "small vacuum leak"

Well, I had been researching and know that the air blend doors are vacuum controlled. I discovered that the Cruise Control is also vacuum controlled. This along with my check engine light "small vacuum leak", led me to believe that all are related.

As this is my wifes vehicle, I am not sure if all happened at the same time or not. As most know alot of women do not pay attention to anythingto have details to provide the husband in proper diagnosing - other than "it dont work - fix it"

I pulled it into the shop yesterday and just looked under the hood not knowing where to start. I mean, a vacuum leak doesn't flash a red light saying fix me... So after another cold beverage, I started pushing and pulling on vacuum lines, disconnecting and blowing in them. Nothing! Ok, another cold beverage ... I grabbed another line and was disconnecting a line from a t-fitting and the whole thing came loose... the end was broke - WaLa ! It was the vacuum line that runs inbetween the passenger fender wall and the battery behind the headlight. What had happened I assume is, because the tie that held it to the fender was broke, is when I changed the battery last year, the line was in the way and broke ? So I made a hose patch for it, got it all back to gether and checked it out - No more check engine light, got air in all directions!

So, I tell the wife to come out and I need her help. I told her to get in and start it and wait for my commands... She gets in (I set the ac to max), starts it and looks at me, I just stand back for a sec - finally she realizes she has ac blowing in her face ! Then I had to point out the engine light... I took a drive and the cruise now works as well !

Well, I got lucky ad found where my vacuum "leak" was and got it fixed.

Time spent researching: 2 hours
Time spent repairing: 30 minutes
Total cost:.25 cents (tape and piece of hose)


Hope helped.

May 09, 2010 | 2000 Jeep Grand Cherokee

2 Answers

1998 Caravan SE check engine light comes on when I push the cruise control button. It goes off when I turn the cruise control off. The cruise control does work. Any idea why the check engine light comes...


Check all the vacuum hoses, mainly the ones going to the cruise control actuator. Sounds like there is a bad hose that has a leak in it, or the rubber diaphram inside the actuator is leaking a little, but not bad enough to keep it from working.
If there is a leak, it's getting more air than it should and causing the light to come on.
All it takes is a pin hole in the vacuum hoses to screw up the whole system, including the emission system.

May 08, 2010 | 1998 Dodge Caravan

1 Answer

I have a 1994 ford ranger, 4.0L. Cruise control


replace your brake light switch and it will all work

Sep 30, 2009 | 1994 Ford Ranger Supercab

1 Answer

AC AIR BLOWS BACK AND FORTH FROM DEFROST TO FRONT VENTS


you have a vacuum leak. Check the vacuum reservoir for a leak.

You can spray short bursts of starting fluid on the vacuum lines to find a leak. When engine revs, that's the leak. Be careful.

Vacuum Reservoir Tank and Bracket Removal
  1. NOTE: The A/C vacuum reservoir tank and bracket (19A566) is located either on or beneath the RH front fender splash shield (16102) .
    If the A/C vacuum reservoir tank and bracket is visible from above in the engine compartment, perform Steps 2 through 4. If the A/C vacuum reservoir tank and bracket is not visible in the engine compartment, perform Steps 5 through 8.
  1. Remove the screws and the A/C vacuum reservoir tank and bracket. 1b32ebf.gif

Jun 14, 2009 | 1988 Ford Ranger

3 Answers

2004 Ram 3500 5.9 Diesel, Vacuum pump on almost all the time


It runs the cruise control, the heater controls usaully, and possibly something else. I would be looking for a leak in the resevoir, or a vacuum line.

Jun 09, 2009 | 2004 Dodge Ram 3500 Truck

1 Answer

2001 Jeep Cherokee a/c blows defroster only, no cruise control


There is a vacuum leak under the hood somewhere. Check the vacuum at the speed control servo. If there is no vacuum on the line with the engine running, follow the line to find the leak. The vacuum reservoir is mounted under the battery tray. I would look in that area after confirming no vacuum at the servo.

Apr 27, 2009 | 1995 Jeep Grand Cherokee

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