Question about Ford Ranger

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I had the engine replaced

Now there are some wires or hoses that I can't figure out where they go, one looks like a PCV but has an electrical connection on it and seems not to have any place to attach, also on the throttle body there is spot that looks like a fitting is broken off, it toward the back of the engine, the engine runs but very rough and won't idle very well!

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  • slayer147 Feb 28, 2009

    That is probably your throttle position sensor you should get a chiltons repair manual and check and see if that is what it is cause i had ran into the same problem with mine and it was the throttle position sensor that could explain why you engine will not idle the book will have a wireing diagram in it you can pick it up at almost any parts store



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What model and what engine size?

Posted on Mar 01, 2009


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1 Answer

96 saturn sl2 running rough

check vacuum hoses, pcv valve etc. it seem this is not electrical related, it is more of air exchange if my term is correct, example is the hose from engine to air filter and so on check everything cuts,kinks, rubber tend to crack at age, or when soaked in oil this sort of thing.

Dec 14, 2013 | Saturn SL Cars & Trucks

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Location of pcv valve on 2008 ford taurus 3.5

On 3.5L engines, the PCV Valve is located on the rear valve cover (see pictures bellow). Please note: the PCV valve must be replaced if it's removed. Access to the valve is easier if you remove the upper intake manifold. However, this is not absolutely necessary and if you are already a little mechanically inclined you can do it the way you would replaced any other PCV valve.

    -A 19mm open wrench will make your life a lot easier if the PCV valve is a bit tight. It is in an awkward spot to apply pressure.

    -Disconnect the electrical connector from the valve. There is a small pin or locking device on the wire that you will have to slightly depress for the connector to release.

    -Disconnect the hose from the valve and turn the hose clockwise so that you have a bit of room to work with.

    -Turn the PCV valve counterclockwise and remove from the valve cover. Pay close attention to the position of the valve at the point when it is to be removed. The new PCV valve will go in at that same position. Why is this important? It is possible to install the PCV valve facing in the opposite direction. Once the PCV valve in and locked it in place, it damages the locking mechanism. Therefore, if you remove it you will have to throw it away and purchase a new one.

    -You just saved $130 - $150 to have the PCV replaced at the dealership...


Apr 07, 2013 | 2008 Ford Taurus SEL

2 Answers

Engine will not start after replacing valve cover

carb cleaner is NOT starting fluid and will almost always kill the engine. (shut it off)

Look for any wires that may have been unplugged in the removal process.

(near intake and around distributor)

Jan 27, 2013 | Lincoln Mark VIII Cars & Trucks

1 Answer

I have a 94 toyota corolla dx 1.8 ,My Q's is that i put all new vacume ose lines and pcv valve about 3 mnts ago, but just reccently my wife notice the was having poor gas milage& running rough at...

clean the carb, or the throttle body . God only knows what all has been sucked in through that broken hose , but I would check the electrical end of it , Plugs, rotor, cap, wires, more than not, that is the rough idle problem,, check the air filter too

Jul 12, 2011 | 1994 Toyota Camry

1 Answer

I NEED to replace the pcv value in my 1991 buick century custom 3.3 engine car. how do i do that

Ok when you're looking at your engine look at the valve cover with a black rubber hose with a funny plastic piece which fits into a rubber grommet in the valve cover. This is the pcv positive crankcase ventilation valve. Remove the pcv from hose after you've obtained a replacement throw it away insert it into the hose then the valve cover and you're good to go

Apr 28, 2011 | Buick Century Cars & Trucks

1 Answer

When i turn on heater or fan engine revs over 3000 rpm

Idle Air Control Valve Pintle may be bad If you disconnect the IAC and the problem ceases it can point to this being the problem.: Removal & Installation 3.5L Engine To Remove:
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Remove the fuel injector sight shield.
  3. Drain the cooling system.
  4. Remove or disconnect the following:
    • The air cleaner intake duct. Figure of IAC and TPS electrical connectors disconnected. aurora_g1.gif

    • The idle air control (IAC) valve and throttle position (TP) sensor electrical connectors. Figure of cruise control and throttle control cables removed from throttle lever. aurora_g2.gif

    • The cruise control cable and throttle control cable from the throttle body lever.
    • The fuel pressure regulator vacuum hose, positive crankcase ventilation (PCV) hose and the throttle body vacuum port hose.
    • The throttle body coolant hoses.
    • The throttle control cable bracket, leaving the throttle and cruise cables connected.
    • The upper nut holding the throttle body to the intake manifold.
    • The throttle body assembly.
  5. Clean the gasket mating surfaces.
To Install:
  1. Install a new gasket and new studs if necessary.
  2. Install or connect the following:
    • The throttle body assembly.
    • Start the top nut by hand.
    • The throttle body coolant hoses.
    • Position the throttle control cable bracket and hand start the retaining nuts and bolt.
    • Torque the three throttle body retaining nuts to 89 in.lbs. (10 Nm). And the bracket retaining bolt to 115 in.lbs. (13 Nm).
    • The throttle body vacuum port hose, PCV valve hose and the fuel pressure regulator hose.
    • The throttle control and cruise control cables to the throttle body lever.
    • The IAC valve and TP sensor electrical connectors.
    • The air intake duct.
  3. Refill the cooling system.
  4. Install the fuel injector sight shield.
4.0L Engine To Remove:
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Relieve the fuel system pressure.
  3. Remove or disconnect the following:
    • Negative battery cable.
    • The Mass Air Flow (MAF) sensor electrical connector.
    • The air cleaner intake duct.
    • The PCV valve fresh air tube. Figure of cruise control cable removed from throttle cable bracket. aurora_g3.gif

    • The cruise control cable and throttle control cable from the bracket.
    • The cruise control cable and throttle control cable from throttle body lever. Figure of IAC valve and TPS connectors removed. aurora_g4.gif

    • The idle air control (IAC) valve and throttle position (TP) sensor electrical connectors. Figure of fuel lines removed from retainer on throttle cable bracket. aurora_g5.gif

    • The fuel feed and return lines from the retainer on the throttle control cable bracket.
    • The transaxle shift cable clip from the throttle control cable bracket. Figure of throttle body removed from water crossover. aurora_g6.gif

    • The throttle body from the water crossover.
To Install:
NOTE: The Mass Air Flow (MAF) sensor inlet and the outlet of the air cleaner assembly must line up when installed. Misalignment may cause MIL illumination or driveability concerns.
  1. Install or connect the following.
    • The throttle body to the water crossover. Torque the bolts to 106 in.lbs. (12 Nm).
    • The IAC valve and TP sensor electrical connectors.
    • The throttle and cruise control cables to the throttle body lever.
    • The throttle and cruise control cables to the throttle control cable bracket. The transaxle shift cable clip to the throttle control cable bracket.
    • The fuel feed and return line retainer to the throttle control cable bracket.
    • The MAF sensor electrical connector.
    • The air cleaner intake duct clamp. Torque the clamp to 27 in.lbs. (3Nm).
    • The PCV valve fresh air tube.
    • The fuel injector sight shield. Torque the nuts to 20 in.lbs. (2.3 Nm).
  2. Install the negative battery cable.
  3. Pressurize the fuel system and verify no leaks.
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Oct 07, 2010 | 2001 Oldsmobile Alero

1 Answer

How to remove valve cover to replace valve cover gasket


1C-LTC and 2CL-TC Engines
(see Figures 1 and 2)
  1. Disconnect the negative battery cable. Remove and label all electrical wiring, connectors and vacuum hoses necessary to gain removal clearance.

Fig. 1: Loosen and remove the cylinder head cover retaining nuts
  1. Disconnect the PCV hose.
  2. Remove the six nuts and seal washers from the cylinder head cover. Loosen them in a crisscross pattern.
  3. Remove the cylinder head cover and the cover gasket from the cylinder head. Discard the gasket and replace with a new one.

To install:
  1. With a wire brush or gasket scraper, remove all the old gasket material from the cylinder head and the cylinder head cover gasket surfaces.
  2. When the cylinder head surfaces are free and clean, apply beads of sealant to the cylinder head in the locations shown in the accompanying illustration.

Fig. 2: Be sure to apply sealant on the cylinder head prior to cover installation
  1. Install the new gasket in the cover. Make sure that the gasket seats evenly.
  2. Place the cover with the gasket onto the cylinder head.
  3. Install the six nuts and seal washers. Tighten the nuts to 65 inch lbs. (8 Nm).
  4. Connect the PCV hose. Connect all removed vacuum hoses, connectors and electrical wiring. Connect the negative battery cable.
  5. Start the engine and inspect for oil leaks. Repair any leaks as necessary.

Hope this help (remember comment and rated this).

Apr 16, 2010 | 1990 Toyota Camry

1 Answer

I have a 1989 buick lesabre 3.8 and want to change

Remove PCV valve from rocker cover. Run engine at i
dle. Place thumb over open end of PCV valve to
check for vacuum. If there is no vacuum at valve, c
heck for obstruction in manifold port, hoses or PCV
valve. Repair or replace as necessary.

Turn engine off. Remove PCV valve. Shake valve and
listen for rattle of check valve inside. If a clear
rattle is not heard, replace PCV valve.

Visually inspect valve for varnish or deposits whic
h may make PCV valve operation sticky, restricted o
cause incomplete seating of valve. Replace if neces
sary. An engine must be sealed for the PCV system t
function as designed. If leakage, sludging or dilut
ion of oil is noted AND the PCV system is functioni
properly, check engine for cause and repair as requ
ired to insure PCV system will continue to function
properly. An engine operating without any crankcase
ventilation can be damaged so it is important to
replace PCV valve and air cleaner breather at regul
ar intervals (at least every 30,000 miles). Check a
ll hoses
and clamps for failure or deterioration.

Mar 28, 2010 | 1989 Buick LeSabre

3 Answers

Where can I find the pcv valve location

please rate as fixed if this helps.

4 cylinder

SECTION 303-08: Engine Emission Control 2003 Escape Workshop Manual
REMOVAL AND INSTALLATION Positive Crankcase Ventilation (PCV) Valve —2.0L Zetec Removal and Installation
  1. Remove the PCV valve.
    • Remove the crankcase ventilation hose from the PCV valve.
    • Remove the PCV valve from the grommet by turning the valve counter-clockwise

Apr 12, 2009 | 2005 Ford Escape

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