Question about 1998 Toyota Camry

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Can I change the electronic idler motor on my 1998 camry or does it require

Remove the air intake tube where it connects to the throttle body and inspect for any black sutty build up aroung throttle plate.

Where is the intake tube located...
.#2 a faulty Idle Air Control motor. This part is an electronic idle adjuster to alow air through the throttle body even when you are not pushing down on the gas pedal.

Can I change this motor or does it require a technician...

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The air intake tube is the plastic or rubber hose that connects the air filter box to the throttle body. It should be about 3-4 inches in thickness..... The motor is relitivly easy to change. Although, you will need to remove the throttle body to change because it is located on the botton of the throttle body. Let me know if you have any problems.

Posted on Aug 20, 2008

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When at idle my chryler 300 when I start out will Rev up and down and give it more throttle straightens out


Possible dirty throttle plate disrupting minimum airflow. Remove air intake hose coming from air filter housing assembly to throttle bore and inspect throttle plate for being dirty/coked up. Throttle plate and bore should look clean/silver. If black/brown, use intake cleaner and old toothbrush to remove gum/varnish deposits and retest

Feb 29, 2016 | Cars & Trucks

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2010 jeep patriot 4x4 front wheel drive do I pull the engine from the top or out the bottom would like to leave trans in car W


47steps in the factory FSM book covers that. answer yes.

  1. Before servicing the vehicle, refer to the Precautions Section.
  2. Drain the engine oil.
  3. Drain the cooling system.
  4. Properly relieve the fuel system pressure.
  5. Remove the hood.
  6. Remove the engine appearance cover.
  7. Remove the air intake assembly.
  8. Disconnect both cables from the battery.
  9. Remove the battery and battery tray.
  10. Remove the coolant reservoir.
  11. Remove the power steering reservoir.
  12. Remove the windshield washer reservoir.
  13. Remove the coolant hoses from coolant adapter.
  14. Remove the grill closure panel.
  15. Remove the upper radiator hose support.
  16. Disconnect the engine electrical connectors and reposition harness.
  17. Remove the air intake tube from throttle body.
  18. Disconnect the fuel line from fuel rail.
  19. Remove the vacuum lines from throttle body and intake manifold.
  20. Remove the wiring harness from the intake.
  21. Remove the throttle body support bracket.
  22. Disconnect the electronic throttle control and manifold flow control valve electrical connectors.
  23. Remove the PCV hose, and make-up air hose from valve cover.
  24. Remove the dipstick.
  25. Remove the intake manifold mounting bolts and remove the intake manifold. Refer to Intake Manifold, removal & installation.
  26. Disconnect the electrical connectors and reposition the harness.
  27. Remove the accessory drive belt. Refer to Accessory Drive Belts, removal & installation.
  28. Remove the power steering line support at the engine mount and exhaust manifold.
  29. Remove the power steering pump and set it aside.
  30. Remove the upper idler pulley.
  31. Remove the ground strap near the right tower.
  32. Raise and safely support the vehicle.
  33. Remove the right front wheel.
  34. Remove the engine splash shield.
  35. Remove the torque converter inspection cover and match-mark the torque converter to the flywheel.
  36. Remove the torque converter bolts.
  37. Remove the lower bell housing mounting bolts.
  38. Remove the A/C compressor mounting bolts.
  39. Remove the alternator and the lower idler pulley.
  40. Disconnect the Crankshaft Position (CKP) sensor electrical connector and remove the sensor.
  41. Remove the exhaust variable valve timing solenoid.
  42. Install an engine lift chain to cylinder head, as shown.
  43. Connect the chain to the rear engine lift hook.
  44. Install engine lifting crane.
  45. Remove the right engine mount through-bolt.
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Nov 09, 2015 | Jeep Cars & Trucks

1 Answer

RPMs jump up while driving. Foot off accelerator car will go 30mph. Difficult to stop. Changed a couple of vacuum hoses - did not solve problem.


This type of problem needs to be approached with diligent process of elimination to properly diagnose.
Check for vacuum leaks...with the engine running, spray carb cleaner at each joint and seal along the intake system and intake plenum. If there is a leak the engine idle will change as the spray is taken in through the leak.
The idle air control valve could be faulty or dirty. Remove the idle air control valve and clean the interior with carb cleaner.
There could be deposits in the thottle body causing the throttle valve to stick open. Check for free operation of the throttle valve. Clean the throttley body with throttle body safe (NOT car cleaner) cleaner by removing the intake hose, spraying the cleaner on the paper towel and cleaning the interior of the throttle body while holding the throttle butterfly plate open.
Make sure the throttle cable moves freely and that the return spring is present and working properly.
To go beyond this may require special diagnostic tools.

Sep 22, 2013 | 1995 Toyota Camry

1 Answer

Location of pcv valve on 2011 camry 4cyl


It is below the egr valve close to the intake manifold below the intake air sensor, there is a tube running to it from the engine to recirculate exhaust air with fresh air, there is a clamp holding it to the air intake that you need pliers to remove, then you need to turn counter-clockwise 90 degrees to remove, do the reverse to install. to make it easier to access remove the upper intake. The pcv valve is not visible, however, you can identify it by the 3" inch long rubber hose that connects to the steel line running into the bottom of the intake. I have the part and am going to replace it soon, although Ford really makes it difficult to remove it -
pcv valve is located just under the throttle body. remove air cleaner assembly from throttle body and you will see a u shaped hose running horizontally.

Jul 29, 2013 | Cars & Trucks

1 Answer

2000 chevy silverado starts then stalls out


Check the throttle body for heavy carbon build-up. Remove the air intake(plastic big tube going to the front top of the engine by loosening the big clamp with a screw driver). Gently open the throttle blade and look for heavy black sooty looking deposits. Using throttle plate cleaner from the parts store spray it down and then use a rag to scrub it out, rinsing with the throttle plate cleaner till its all gone. This is a common issue with these trucks, and alot of other vehicles also.

Jan 31, 2013 | 2000 Chevrolet Silverado

1 Answer

Where is intake,mafsensor,iac valve,andthe idle stabilizer valve located


Assuming it is a 4-cyl, the intake is the large tube connecting the air cleaner housing to the intake manifold, which is the metal body behind and above the top of the engine. See here, p2, p40. p168
http://www.turboninjas.com/camry/eg1.pdf

The Mass Air Flow sensor if fitted (not all Camrys had one that early) is fitted in the air intake just after the air cleaner and before the throttle body.
If you mean the Manifold Air Pressure sensor (different) that sits on the firewall flange behind the intake manifold. Follow the hose from the air intake chamber, p46
The Idle Air Control Valve is on the throttle body, see p168 and p208.

I don't know of an Idle Stabilizer Valve by that name on this engine, I think it is an alternative name for the IAC valve.

Oct 27, 2012 | 1991 Toyota Camry

1 Answer

How to connect vacuum hose from/to air filter - Camry 2003


Usually you wouldn't connect a vacuum hose to the air filter, but if its a DIY job your after you would need to get the male connectors and some other hardware to do a custom job (drilling required) otherwise to have the same effect you could just connect a vacuum hose to the Intake Manifold or throttle body.

The Intake manifold usually has some spare slots for small vacuum hoses.

To locate follow the air filter box tube back to the throttle body, the throttle body, the intake is directly off this and connects to the engine. see diagram

Oct 24, 2012 | 1992 Toyota Paseo

1 Answer

My Tiberon idles very roughly, but runs great on the road. I pulled the idle air solenoid today and cleaned it out,I made it run worse. do these go bad?


No mention of any diagnostic trouble codes so I would remove large rubber intake tube from air
filter box to throttle body. Only remove from throttle body end lay out of the way. You willneed a can of carburetor cleaner and an old tooothbrush (not a little wire brush). Look inside throttle body and you will see the throttle plate. Reach and pull on throttle cable to open throttle plate fully. When open coat throttle plate good with carburetor cleaner, take toothbrush and scrub carbon deposits from throttle plate paying special attention to both sides. Carbon build-up in and around where throttle position sensor comes through inside of throttle body and connects to throttle plate causes throttle plate not to close completely when accelerator pedal released at idle. This can allow too much air into intake causing rough idle and also can cause Idle Air Control Motor not to be activated due to throttle plate not closing far enough for TPS to recognize throttle cable has been released. The IAC picks up and maintains engine idle until accelerator is depressed and TPS resumes engine rpm control depending on accelerator pedal pressure.
It is also possible that IAC stepper motor is going bad. Normally if this occurs check engine light will illuminate with a diagnostic trouble code for IAC P0505, P0506, or P0510.
Sorry it is so lengthy but pretty simple procedure. Hope it helps.
***Note*** Some throttle bodies have a wax pellet in bottom side of chamber so careful not to let
carburetor cleaner puddle in bottom when sprayed.If cleaner is allowed to puddle and eat up the pellet you have to get another throttlebody. Pellet cannot be bought seperately. When you pull throttle cable you can stick a small rag down in there to catch excess cleaner.

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1 Answer

Engine over revs throtle sticking T reg lanos


first off.... does the engine over rev on its own? or only after you press the gas pedal?
does your vehicle have a throttle body that is electronic or cable actuated?..if electronic and revs on own could be one of two issues 1) throttle body itself 2)throttle pedal switch on gas pedal)
if cable and revs after pushing gas pedal ..either there is too much carbon built up on the throttle plate or the throttle cable has begun to fail.. remove the intake tube from the air cleaner to the throttle body and inspect

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