Question about 1990 Honda Accord

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My car wont let me rev over 3500 rpm there was collapsed vacuum hose to the pcv and had a little oil in the 3rd cylinder and intake manifold

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Posted on Jan 02, 2017

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dgjtex
  • 405 Answers

SOURCE: 1990 1.5l wont rev past 3500rpm's

Honestly I wish I could offer you more info, if it revs now that eliminates the convertor, only I can figure is when you got it to rev you were "blowing the soot out" LOL I hope I have helped you some if so please rate me accordingly.

Posted on Dec 17, 2008

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1 Answer

Where is the pcv valve located on a chrysler 300


Here is the info you need. Notice the numbers in the image are the steps in which you should take 1st, 2nd, 3rd etc

24580049-jq13pypi3egybe0aho3o0ljx-4-2.gif
Disconnect the EGR tube, PCV, Purge and power brake booster vacuum hoses from the upper intake manifold
Re-Install is basically the same procedure just reversed.
  1. Connect the EGR tube, PCV, Purge and power brake booster vacuum hoses to the intake manifold.
Please let us know if you need further/ more detailed info.
Regards,
-Tim

Jun 05, 2014 | 2007 Chrysler 300 AWD Sedan

1 Answer

I have Civic 2001 with 160,000 miles on it. i have problem when i am driving on high way on 80/mph rpm stay on 2800 and after 5 minuts rpm goes to 3500 and i feel loud noise like engine is taking more...


If the car type is manual transmission:
- Perform the clutch and pressure plate test.
PROCEDURE:
- Pull up the hand brake, shift the lever to 1st gear, rev up to 2000 rpm, release the clutch pedal at once.
- If the engine does not stall, replace the clutch, pressure plate, clutch bearing, regrind the fly wheel and pressure plate precisely.
- If the engine stalls, the clutch system is OK and do not need any clutch system repairing.
- If the clutch system is OK, check vacuum leaks through intake manifold, vacuum hoses, PCV valve and throttle control cable adjustment, MAP sensor and Throttle Plate Position sensor adjustment (9.8 percent or 0 degrees at TP sensor fully closed position).

If the car type is automatic transmission:
- Check the transmission control cable adjustment.
- Check vacuum leaks through intake manifold, vacuum hoses, PCV valve and throttle control cable adjustment, MAP sensor and Throttle Plate Position sensor adjustment (9.8 percent or 0 degrees at TP sensor fully closed position).
- Check the Automatic Transmission Fluid level in the transmission with the car on level floor, engine start, gear lever in P.
If the problem persists, contact a competent technician or service personnel.

Jan 19, 2014 | 2001 Honda Civic

1 Answer

I have a 2001 Ford Focus p0 171 code check engine light is on


Hi there:
DTC P0171 - System to lean Bank 1

You might just have an air or a vacuum leak causing this code. This is pretty common. Be sure to check for vacuum leak such as hoses/lines leaking vacuum, intake manifold gaskets as well as the pcv hose behind the throttle body. I would check the PCV line from the passenger valve cover to the rear of the intake manifold. That line will collapse over time due to oil and age. It will create a vacuum leak. With the engine at idle, move the vacuum and PCV line and see if the idle changes and listen for a vacuum swushing sound. Both 02 sensors will not cause both of these codes.

Hope this helps.

Apr 09, 2013 | Cars & Trucks

1 Answer

How to replace head gasket on 4 cylander


2.6L Engine
  1. Before servicing the vehicle, refer to the precautions in the beginning of this section.
  2. Drain the cooling system.
  3. Relieve the fuel system pressure.
  4. Remove or disconnect the following:
    • Negative battery cable
    • Hood
    • Accessory drive belts
    • Accelerator cable
    • Positive Crankcase Ventilation (PCV) valve and hose
    • Air intake duct
    • Fuel pressure regulator vacuum line
    • Canister hose
    • Brake booster vacuum line
    • Engine wiring harness connectors at right wheel housing
    • Ground cable connector at the intake manifold, starter and firewall
    • Heated Oxygen (HO2S) sensor connector
    • Alternator wiring connectors
    • Oil pressure switch connector
    • Starter motor harness connectors
    • Ignition coil connector
    • Spark plug wires
    • Distributor
    • Exhaust front pipe
    • Exhaust Gas Recirculation (EGR) gas temperature sensor connector
    • Air pump
    • EGR pipe
    • Heat shield
    • Exhaust manifold
    • Throttle Position (TP) switch connector
    • Cooling fan
    • Water pump pulley
    • Power steering pump
    • Intake manifold
    • Crankshaft pulley
    • Front cover
    • Timing belt. Refer to the Timing Belt unit repair section.
    • Valve cover
    • Rocker arms
    • Camshaft
    • Cylinder head
Cylinder head bolt loosening sequence - 2.6L engine

tecnovative_96.gif
  1. To install:
  2. NOTE: Refer to Section 1 of this manual for the cylinder head torque sequence illustration. The illustration is located after the Torque Specification Chart.
  3. NOTE: Lubricate the cylinder head bolts with clean engine oil for assembly.
  4. Install the cylinder head with a new gasket. Tighten the bolts in sequence as follows:
  5. Step 1: 58 ft. lbs. (75 Nm)
  6. Step 2: 72 ft. lbs. (98 Nm)
    1. Install or connect the following:
    2. Camshaft
    • Rocker arms
    • Valve cover
    • Timing belt
    • Front cover
    • Crankshaft pulley. Tighten the bolt to 87 ft. lbs. (128 Nm).
    • Intake manifold
    • Power steering pump
    • Water pump pulley
    • Cooling fan
    • TP switch connector
    • Exhaust manifold
    • Heat shield
    • EGR pipe
    • Air pump
    • EGR gas temperature sensor connector
    • Exhaust front pipe
    • Distributor
    • Spark plug wires
    • Ignition coil connector
    • Starter motor harness connectors
    • Oil pressure switch connector
    • Alternator wiring connectors
    • HO2S sensor connector
    • Ground cable connector at the intake manifold, starter and firewall
    • Engine wiring harness connectors at right wheel housing
    • Brake booster vacuum line
    • Canister hose
    • Fuel pressure regulator vacuum line
    • Air intake duct
    • PCV valve and hose
    • Accelerator cable
    • Accessory drive belts
    • Hood
    • Negative battery cable
    1. Fill the cooling system.
    2. Start the engine and check for leaks.

    tecnovative_65.jpg

    Feb 05, 2011 | 1997 Isuzu Rodeo

    2 Answers

    Cylinderhead torque stc.


    Cylinder Head Removal & Installation SOHC To Remove:
    1. Relieve fuel system pressure.
    2. Remove timing belt cover. Camshaft timing marks kia-03-20-7032.gif

    3. Turn crankshaft until timing mark on front housing and the arrow "2" on the camshaft pulley align.
    4. Loosen lock bolt on tensioner.
    5. Pry tensioner away from timing belt and tighten lock bolt to relieve tension on the timing belt.
    6. Remove timing belt from camshaft pulley.
    7. Disconnect battery negative cable.
    8. Remove 3 bolts that secure accelerator cable and air intake hose to cylinder head cover.
    9. Detach accelerator cable and place off to side.
    10. Remove the following;
      • Air hose
      • Air ISC air hose
      • Breather hose
      • Vacuum hose from air intake hose
    11. Disconnect mass air flow sensor electrical connector.
    12. Remove air intake hose.
    13. Remove PCV valve from cylinder head cover.
    14. Remove ISC air hose from idle speed actuator.
    15. Remove air hose from behind intake manifold.
    16. Remove 2 screws from high tension wire protectors.
    17. Detach wire loom from holder at rear of cylinder head cover.
    18. Detach vacuum tube at rear of cylinder head cover.
    19. Remove vacuum pipe. Cylinder Head Cover kia-03-20-7042.gif

    20. Remove 7 cylinder head cover bolts.
    21. Remove cylinder head cover and gasket.
    22. Disconnect 2 ignition coil electrical connectors.
    23. Disconnect 2 fuel injection electrical connectors at rear of cylinder head.
    24. Disconnect the following electrical connectors;
      • Oxygen sensor
      • Throttle position sensor
      • Idle speed actuator
      • Oil pressure switch
      • EGR vacuum solenoid valve at intake manifold
    25. Disconnect heater hose from elbow.
    26. Disconnect brake booster vacuum hose and cruise control vacuum hose from surge tank.
    27. Detach wire harness from rear of cylinder head.
    28. Disconnect purge control solenoid vacuum hose from intake manifold.
    29. Disconnect fuel hose from fuel connector assembly.
    30. Remove grounding bracket.
    31. Remove 4 bolts and intake manifold bracket.
    32. Remove starter.
    33. Detach water bypass hose from bypass pipe.
    34. Disconnect water hoses from oil cooler.
    35. Disconnect fuel hose from fuel pipe.
    36. Remove exhaust manifold heat shield.
    37. Remove exhaust flange nuts and front exhaust bracket bolt.
    38. Lower exhaust system. Cylinder head bolt loosening sequence kia-03-20-7050.gif

    39. Loosen cylinder head bolts in 3 steps in proper sequence.
    40. Remove cylinder head bolts and washers.
    41. Remove cylinder head, intake manifold and exhaust manifold as an assembly.
    To Install:
    1. Install NEW cylinder head gasket.
    2. Install cylinder head, intake manifold and exhaust manifold as an assembly.
    3. Tighten cylinder head bolts in 3 steps in reverse sequence that was used during removal. Tighten bolts to 62 ft lb (84 Nm).
    4. Install front exhaust bracket bolt. Tighten bolt to 20 ft lb (27 Nm).
    5. Install NEW lower exhaust flange gasket and 3 nuts. Tighten nuts to 24 ft lb (31 Nm).
    6. Install exhaust manifold heat shield. Tighten nuts to 35 in lb (4 Nm).
    7. Connect fuel hose to pipe.
    8. Connect 2 hoses to oil cooler.
    9. Attach water bypass hose to bypass pipe.
    10. Install starter and bolts. Tighten bolts to 34 ft lb (46 Nm).
    11. Install intake manifolds bracket and 4 bolts. Tighten bolts to 32 ft lb (45 Nm).
    12. Install grounding bracket.
    13. Connect fuel hose to fuel connector assembly.
    14. Connect the following electrical connectors;
      • Oxygen sensor
      • Throttle position sensor
      • Idle speed actuator
      • Oil pressure switch
      • EGR vacuum solenoid valve at intake manifold
    15. Connect purge control solenoid vacuum hose to intake manifold.
    16. Attach wire harness from rear of cylinder head.
    17. Connect brake booster vacuum hose and cruise control vacuum hose to surge tank.
    18. Connect heater hose to elbow.
    19. Connect 2 fuel injection electrical connectors at rear of cylinder head.
    20. Connect 2 ignition coil electrical connectors.
    21. Install cylinder head cover.
    22. Install 7 cylinder head cover bolts. Tighten bolts to 60 in lb (7 Nm).
    23. Install vacuum pipe and 2 bolts at rear of cylinder head cover. Tighten bolts to 60 in lb (7 Nm).
    24. Connect vacuum tube to pipe.
    25. Connect loom holder to rear of cylinder head cover.
    26. Install 2 screws to high tension wire protectors.
    27. Install air hose to behind intake manifold.
    28. Install ISC air hose to idle speed actuator.
    29. Install PCV valve to cylinder head cover.
    30. Install air intake hose.
    31. Connect mass air flow sensor electrical connector.
    32. Install the following;
      • Air hose
      • Air ISC air hose
      • Breather hose
      • Vacuum hose from air intake hose
    33. Attach accelerator cable.
    34. Install 3 bolts that secure accelerator cable and air intake hose to cylinder head cover. Timing belt pulley timing marks kia-03-20-7035.gif

      NOTE: Timing belt pulley timing mark and timing mark must be aligned.
      Camshaft timing marks kia-03-20-7032.gif

      NOTE: The arrow at "2" on camshaft pulley must be aligned with timing mark on front housing.
    35. Install timing belt.
    36. Install timing belt cover.
    37. Pressurize fuel system.
    38. Start engine and check ignition timing.

    Jul 11, 2010 | 1999 Kia Sportage

    1 Answer

    When I press the accelerator I hear a hiss.... then when I try to apply the brakes, it locks


    Vacuum leak. Listen under hood near intake manifold & larger line going to the back of master cylinder (power brake booster) & pcv valve. Look for broken, collapsed or missing hoses.Repair or replace hoses.

    Jun 26, 2010 | 1994 Oldsmobile Cutlass Ciera

    1 Answer

    I have a 96 jeep cherokee 4.0 sport. whenever i am driving steep grades at a constant 3500 rpm, i start blowing oil from somewhere. it dosent leak any other time. the rear main seal seems fine. what could...


    At an Idle your 4.0 creates a vacuum between the throttle body and the intake valves. As you need more throttle less vacuum is created. The PCV ( positive crank case vent) works off this vacuum. At the back of the valve cover there is a vacuum line that goes to the intake manifold. This line can become clogged. An engine produces "blow by". If you were to take oil cap off you might see it at an idle. Check the air filter. there is a line from the valve cover that leads to the airbox. this is where the "blow by" goes when pcv line is clogged. Part 1 the problem...... part 2 the fix.

    Jan 21, 2010 | 1996 Jeep Grand Cherokee

    2 Answers

    O3 ford escape V6 began hesitating and missing at


    change the plug wires they may be bad. or you may have a bad coil

    Dec 30, 2009 | 2005 Ford Escape

    1 Answer

    Car shakes when it starts and trouble shifting gears


    I HAD A FORD FOCUS AND THE PROBLEM WAS A MANIFOLD VACCUM LEAK AT THE HOSE THAT CONNECTS PCV VALVE TO INTAKE MANIFOLD. THIS HOSE CAN GET SATURATED WITH OIL AND COLLAPSE AND TEAR CAUSING A NO IDLE AND SHAKING CONDITION. IF THE CAR IS AN AUTOMATIC IT WILL HAVE TROUBLE SHIFTING BECAUSE OF INCORRECT RPM SIGNAL TO TRANS. CONTROL. ALL IS DUE TO VACCUM LEAK. ONE WAY TO FIND LEAK IS TO USE A SOLUTION OF DISH DETERGENT AND WATER IN A SPRAY BOTTLE AND SPRAY AREA AROUND AND BELOW THROTTLE BODY BELOW AIR CLEANER ASSY. ALSO LOOK FOR HOSE THAT ATTACHES AT MANIFOLD BELOW THROTTLE BODY AND BRANCHES OFF TO PCV VALVE SHOULD BE A "T" GOOD LUCK!!!!!!!!!

    Oct 01, 2009 | 2001 Ford Focus

    1 Answer

    High oil consumption


    Hello;
    The PCV valve is located on the intake manifold. It screws in and there will be a hose to the valve cover. Pricey little devil I must say.
    Thanks;
    Rich
    RPM Northwest

    Jan 22, 2009 | 2003 Toyota Corolla

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