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How to fix error code 19 on honda civic dx 1993 5 speed

Also have a High Low IACV problem dont know what to do? please help!!!

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  • Honda Master
  • 51,268 Answers

Error code 19 on a Honda civic refers to AT lock up system malfunction causes ---Lock up control system. Have the code item repaired first and the second fault may be fixed also.

Posted on Apr 21, 2013

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6 Suggested Answers

6ya6ya
  • 2 Answers

SOURCE: I have freestanding Series 8 dishwasher. Lately during the filling cycle water hammer is occurring. How can this be resolved

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Posted on Jan 02, 2017

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  • 208 Answers

SOURCE: honda civic ek3 1999 model

I assume you mean low idle speed 500 rpm. Genarally a tapping noise comes from the valve train, and a knocking noise comes from the crankshaft connecting rods. The way that a mechanic will narrow it down is to use a mechanics stethoscope. You can get one pretty cheaply at an auto parts store. Put the metal end of the scope on a part of the engine and listen for noise. On the other hand, if your car is idling at 5000 rpm, it would also be making ALOT of noise.

Posted on Aug 01, 2008

  • 3 Answers

SOURCE: 93 Honda Civic Sedan not shifting into overdrive

overdrive may be worn out and u dont feel it shift or ur tranny is messed up

Posted on Mar 05, 2009

blueextc3221
  • 15935 Answers

SOURCE: How to change upper control arm on 1996 Honda Civic DX ?

UPPER CONTROL ARM:

Do not disassemble the upper arm. If the ball joint or bushings are faulty, or the upper arm is damaged, the entire upper arm must be replaced.

  1. Raise and support the vehicle safely.
  2. Remove the front wheels. Support the lower control arm assembly with a floor jack.
  3. Separate the upper ball joint from the steering knuckle using a ball joint separator tool.
  4. Remove the self-locking nuts from the upper arm anchor bolts. Remove the upper arm from the vehicle.

Do not disassemble the upper arm. If the ball joint or bushings are faulty, or the upper arm is damaged, the entire upper arm must be replaced.
To install:
Use new self-locking nuts when installing the upper arm and strut.
  1. Install the upper control arm assembly into the strut tower.
  2. Connect the upper ball joint.
  3. Install the front wheels and lower the vehicle.
  4. With all four of the vehicle's wheels on the ground, torque the upper control arm nuts to 47 ft. lbs. (65 Nm). Torque the castle nut to 32 ft. lbs. (44 Nm); then, only tighten it enough to install a new cotter pin.
  5. Tighten the wheel nuts to 80 ft. lbs. (110 Nm).
  6. Check and adjust the vehicle's front end alignment.
The bushings on the front lower control arms are replaceable on most models.
This procedure requires the use of a press and may be above the skill range of the average driveway enthusiast. It is recommended that this procedure be done by a qualified machine shop if you are not skilled in the proper use of a press.
  1. Remove the lower control arm that is in need of new bushings.
It is recommended that both the left and right lower control arm bushings be replaced at the same time. The vehicles handling may become unstable if there are new bushings on one side of the car and worn ones on the other.
  1. Set up the control arm in a press.
  2. Using a impact socket of the correct length and size, press out the old bushing.
  3. Install the new bushing by slowly using the press to push it into the control arm.
  4. WARNINGExcessive force could cause the bushing to bend or tear so be careful.
  5. Once the bushing is properly seated in the control arm, remove the arm from the press and install it on the vehicle.

Posted on Apr 05, 2009

  • 59 Answers

SOURCE: Honda code P0A7F

I have a 2006 Honda Civic Hybrid and have had hell with it. I have also learnt much about it too.

One thing bad about the HCH2, is that the 12V battery controls the electronics, and the Hybrid battery charges the 12V battery. However the 12V battery is not charged all the time, and cannot be charged when the IMA is usually being used, and in different scenarios. (Buy a Electronic volt meter which plugs into the 12V adapter $14 Walmart))

It is possible that the 12V battery is being drained while driving and caused a voltage drop which can cause your problem. In your case, I would change the 12V battery anyway as they do not last long on Hybrids. (You may have to get Honda to trip the IMA warning lights.) In my case, changing the 12v battery helped the hybrid battery as it was the electronics reporting the charge level wrong.

Depending where you live, you will have a minimum 80,000 mile warranty on the hybrid battery.

Posted on Apr 23, 2010

HondaCRX
  • 252 Answers

SOURCE: 1991 honda civic fuel pump replacement

You will need to remove the back seats and you will see the fuel pump in between the back seats and trunk. Run the car, remove the fuel pump fuse to relieve the pressure and then the car will die. Remove the pipes to the fuel pump, replace it and refit the pipes. Pump the gas pedal a few times and start it up (remember the fuse!)

If it is inside the tank (the fuel pump), then you will see the tank is held on by straps. Take them off, have ajack under it and remove the filler neck and screws holding it to the car. Remove the tank, undo the central bit where wires and pipes come out and slide the fuel pump out, replace what you have just done and refit.

Hope this helps, please vote :)

Posted on Jul 28, 2010

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Flux in Idle


Check your fuel pressure sounds like it could be a weak fuel pump.Low fuel pressure will cause a lean condition.

Feb 07, 2013 | 1998 Honda Accord

Tip

Idle Air Speed Control valve on engines



1.4) IACV Idle Air Control Valve - Idle Speed Control Unit(actuator)

What is it? The idle air control valve is an electrically driven mechanism that allows additional control over the throttle at idle.

Where is it located? The IACV is located on or near to the throttle body and consists of a small device with an electrical connector.

How does it work? When the throttle is closed the throttle plate closes offair from the inlet manifold and normally this would cause the engine to stall immediately. To allow the engine to keep running the ECU makes use of the IACV system to permit the ingress of a limited amount of air. The IACV device is seen in two forms either a) a small motor driven valve on a passageway allowing air indirectly to pass to the inlet manifold plenum or b) a motor located on theTPS assembly that opens the throttle plate by a small degree to allow air through directly. Both systems are designed to allow air to by-pass the 'closed' throttle plate to maintain engine idle. The IAC also helps throttle respond to additional power demands being made on the engine such as using the power steering, air conditioning or moving the (automatic) transmission selector into 'drive'. Somecar manufacturers also have a separate 'hot idle' valve system and this is designed to operate for a relatively short period just during engine warm up. Such hot idle systems are accompanied by electrically driven IAC valves to maintain engine idle in the face of additional power demands.

Symptoms of faulty IACV
Associated OBD2 error codesDTCs: P1508, P1509

  • Poor starting, sudden stall: If the IACV fails to open or the inlet/exit ports are clogged shut with oily deposits the engine may ignite and then promptly stall. The engine can be kept running by pressing the accelerator. However any additional demand on the engine such as power steering or putting the car into drive (automatic) will cause the engine to stumble badly or stall.
  • Engine stall at stop sign: Even with the engine is warmed up, if the car comes to a halt such as a stop light the engine may stall. The engine will often restart immediately with little trouble

Thisdiffers from:-
a) TPS fault - engine stall when theaccelerator is depressed quickly, but will often restart without much trouble.
b) CKP or CMP fault - engine cuts out without warning and is resistant torestart until cooled down

How to check? Physically remove the IACV, keep the electrical connection and examine the state of the valve for carbon build up. Blank off the exposed IACV port(s) on the throttle body and turn the engine on; you may have to give it extra throttle until the engine has warmed up. Monitor the IACV valve movement in response to additional loads (power steering inputs etc) the valve should open and close according to demand. When refitted this action results change in engine speed in response to increased power demand.

The electrical connector to the IACV can have 2 or 4 pins:-
2pins: resistance between socket pins should about 10 OHMS +/- 3 OHMS. If this resistance is very high then there is break and the IACV is at fault.
4pins: resistance between diagonally positioned pins should be about 20 OHMS. If the resistance is very high this indicates that the IACV is faulty.

Resistance between the actual metal valve body and either of the socket pins should be greater than 10,000 OHMS. If there is little or no resistance thenthere is a short and the IACV is faulty.

How to fix? If the motor of the IACV has failed (no movement and fault resistance values) then replace it. If the valve is gummed closed by baked oil and carbon then clean it thoroughly with WD40 or carburettor/choke cleaner spray and a cloth. Similarly if the entry and exit ports on the throttle body to the IACV look dirty again clean them out thoroughly.


NEXT 1.5) TAC Throttle Actuator Control

on Jul 15, 2011 | Mercedes-Benz E-Class Cars & Trucks

1 Answer

GMC Envoy 2003 SLT only the parking lights and fog lights work. The low beam and high beam don't work. Please help


Well, the problem is that I dont know the reason, you should investigate. There could be issues with lamps (must get new) or electricity problems (must head to auto-service)

Jun 29, 2012 | 2003 GMC Envoy

1 Answer

When at a stop light sometimes my firebird, which is a manual tranmission, revs up to 2200 rpms. fuel mileage had gone from 23 miles per gallon to around 9 or 10. help please its killing me!


Hello and welcome to FixYa!

I strongly suggest that you have the IACV (idle air control valve) replaced. If the IACV is worn out it tends to make the rpm high or low. High rpm will surely result to unusual fuel consumption. Once replaced I believe you'll be good.
Hope this helps and thank you for using FixYa! Have a good one!

Jul 10, 2011 | 1991 Pontiac Firebird

1 Answer

Idle too high


Hi and welcome to FixYa!

Two things which can cause this issue. A faulty MAF (mass air flow) sensor or IACV (idle air control valve). If one of these sensor is faulty an erratic idle, too high or too low may occur. Have the engine scanned to know which of these sensor is faulty.

Hope this helps and thank you for using FixYa! Have a good one!

Feb 19, 2011 | 1993 Saturn SL1

2 Answers

I have a 93 honda del sol manual when the car has been turned on it accelerates by itself and it has a check engine light dont now what is wrong with it


You probably have a bad Idle Air Control Valve (IACV). In fuel injected carburetors when the throttle valve is closed the IACV opens and closes to control the idle speed. If it malfunctions the engine may rev up allowing the car if in gear to accelerate on its own . When I had a bad IACV in my Mitsubishi Lancer it would drive down the road at 50 mph with out touching the gas pedal. Fortunately, it could be slowed down by using the brakes (unlike the Toyota stories).

Nov 07, 2010 | Honda del Sol Cars & Trucks

2 Answers

I have a 2000 dodge neon that keeps idleing funny, I replaced the IACV and the TPS..and it still idles High then low then high ..I dont know what else to do. what could it be


First, does this funny idle happen when the AC is on? If so, try running the engine with the AC off and see if the problen is still there. If the problem is still there, you might need an upper cylinder decarb, if it's a high mileage car. When you replaced the IAC motor, did you notice carbon build up in the air passages? You really need this car hooked up to a monitor to see what's going on with all the sensors, you could throw hundreds of dollars at this car with a hit or miss, a good Mechanic with a monitor will pinpoint the problem for a small fee and you can replace the right part yourself, then happy driving, good luck, Gary

Jul 27, 2010 | 2000 Dodge Neon

2 Answers

Cannot control engine rpm mitsubishi lancer engine 1984. fuel injection sometime correct rpm, sometime too low and too high rpm


Your IACV idle air control valve has gone bad . When you put the car in gear does it take off and accelerate to about 50 MPH without touching the gas pedal ? Had the same problem. Part from Mitsubishi is about $435 PN # MR578268. It is about $30 to $50 dollars on any other car. If this is the problem, the IACV is located on the throttle body and is held on with three screws. I purchased the whole throttle body at a salvage yard for $40, took the IACV off and put it on my throttle body. Car works normal for now, I am looking for another spare. If enough people complain to MItsubishi and www-odi.nhtsa.dot.gov

Jul 22, 2010 | 2002 Mitsubishi Lancer

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1995 HONDA ACCORD ROUGH IDLE


Clean your fast idle thermo valve (fitv) if that dont Work try cleaning idle Air control valve (iacv) you can go to google images to see where they are located on the intake manifold if you dont know And also if you dont know you can search google on how to clean these parts. Slightly dirty fitv was my problem cleaned it no prob. Since.

Apr 20, 2010 | 1995 Honda Accord

1 Answer

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no your highbeam switch has gone bad

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