Question about Toyota ECHO

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Fuel injectors how do you replace the cylinder 1 fuel injector on a 2002 toyota echo?

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Take off the top cover on the engine you will have access to the injectors take off the electrical wire and fuel line should be able to remove the injector good luck

Posted on Mar 10, 2017


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Posted on Jan 02, 2017

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SOURCE: 99 buick Lesabre

hey thanks for bringing me up to speed. ive been working on many other problems but with your great explanation i remember.
we need to check the compression on that cyl. and compare it to the compression on 2 other cylinders your choice.
but before you do this get a can of carb cleaner . and with the car idling spray around the intake manifold in the area of #6 cyl. what we are looking for is a small vacuum leak that would also act like this. with the engine idling and spraying around the intake the engines idle sould not change and if it does when you spray you have an intake leaking.
let me know how it turns out.

Posted on Sep 23, 2008

  • 2712 Answers

SOURCE: Check engine light flashing on 2002 X-Type

It does sound a bit on the higher side, but then dealerships usually are. The good thing about it is that they will replace with brand new and genuine parts, often giving a warranty for the part replaced. You can also get them to give you a written guarantee that this will fix the problem. However, they will have to replace all four injectors as they say, because the genuine replacement comes as a full set.
You can get it replaced individually by a local mechanic, probably, but then you can be sure that the part will definitely be second hand, and there is no guarantee/warranty.
You will have to decide between going in for a genuine (more expensive) replacement which should last you for a while,, or going in for a second hand spare which may be cheaper, but may fail at any time.
If you wish, you can buy quality spares from this site:
You will have to contact them directly for a quote, as prices are not mentioned on the website. As for the cost of labor, different shops have different rates, so you will have to make a couple of enquiries to get an average price. Once you have this info, you can contact a reliable mechanic and bargain for repair costs.

As to whether replacing the injectors will resolve the problem, well...its impossible to say without doing a manual inspection and testing. I'm sure the dealership know what they are talking about, as they would no doubt have made the required inspections and testing..

Hope that helps!


Posted on Oct 08, 2008

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SOURCE: Service Engine soon light, codes P0301 and P0171, replace plugs

Hi,, Well the service engine light comes on when your car needs to be tuned up, this happens when the timing belt needs changing or nearing its life span. Basically it involves changing the belt (optionally >) engine oil, transmission fluid, radiator coolant, fuel injection and throttle body servicing, changing gas filter, air filter etc. Its to prevent damages to your car. After its serviced the mechanic will need to clear all error codes and reset the cars computer. Clearing the error codes is done with a diagnostic tool, to reset the cars computer , remove the negative battery pole and press the brak as far as it will go, wait 60 second release and reconnect the battery pole. Some vehicles may need to be caliberated if it has an electronic throttle body system

Posted on Dec 10, 2008

  • 2984 Answers

SOURCE: How to replace the fuel injectors on a 2002 Tahoe?

To Install:

  1. Lubricate the NEW fuel injector O-rings with clean engine oil.
  2. Install the O-rings on the fuel injector.
  3. Install a NEW retainer clip on the fuel injector.
  4. Install the fuel injector in the injector socket with the electrical connector facing outward. The retainer clip locks onto a flange at the fuel rail injector socket.
  5. Install the fuel rail.
NOTE: Use care in removing the fuel injectors in order to prevent damage to the electrical connector pins on the injector and to prevent damage to the nozzle. Service the fuel injector as a complete assembly only. The fuel injector is an electrical component. DO NOT immerse the fuel injector in any type of cleaner.

Posted on Mar 29, 2009

  • 1340 Answers

SOURCE: Error codes P0301(cylinder #1 misfire)

The ECM is very possible.I assume cylinder 4 injector is providing gas?The connection for cylinder 1 is probably a connector with pins correct?If you can bypass the ECM,that would get you closer if not give the answer.I would try using a wire straight from the battery to the injector electric somehow without damaging the wires.For years,if i had an extension cord which was old,I cut off the ends and save it just for troubleshooting occasions like this is a good example.If you do the bypass,try to hold the wire with something other than skin.I have leather gardening gloves,pliers.The gloves are better for steadiness and pliers are metal.It is not likely that it should melt but doing electrical work for so many years,an ounce of prevention is worth way way more than a pound of cure.If it did melt,it would stick and probably a couple weeks worth of pain.I would like to know how you make out.If you reply back to this post I will get an autolink to your post.Good luck! Greg
P.S.Was your error code from the car's own system and not a shop?I am trying to figure out what year that system started.

Posted on Sep 18, 2010

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What causes Toyota Rav 4 2002 have one catalytic converter overheat? Replaced the entire assembly and new sensors. when started in a couple of mins was doing the same thing as old converter running on...

You converter is not the reason for misfire,Bad spark or leaking injector will release row fuel in converter and after burn and glow red hot. remove all spark plugs an look for one is black. or wet . replase plugs with DENSO or NGK inspect the wire for burn blue marks on the side or replace the injector if fluted cylinder.
Good luck

Mar 01, 2015 | 2002 Toyota RAV4

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I have a toyota hilux 3.0 kzte 2002 model its started having a rattling sound from the engine , smoking and no power.

It may have a bad injector ,leaking fuel into the cylinder if its not a fine spray that cylinder can't fire. to check crack open one injector fuel line at a time ,the rattle will stop when the faulty injector fuel line is cracked open.

Jun 01, 2014 | Cars & Trucks

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Why is my Toyota Landcruiser 1HZ motore missing and blowing white smoke?

Air leak in the fuel line? All the lines are pressurised to some degree.
Do you mean it was sucking air on the tank to pump side?
Because its a diesel and you have white smoke and a misfire you need specialist help to identify which injector is playing up. White smoke is usually excess fuel or incomplete firing on that cylinder. Toyota lumps are very reliable so get some help, a good diesel mechanic would have a clip on tester that would check each cylinder.
At 2002 I'm surprised there is a fuel problem but you don't give mileage so an injector is the best guess.

May 19, 2014 | 2002 Toyota Land Cruiser

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Is there something that could cause a Coil to keep going out on a 2002 Toyota Echo?

The compression is not the problem, it's possible that you just got a defective coil or there may be an intermittent problem with the #4 fuel injector, the P0171 will come back when there is a misfire once the misfire is fixed the P0171 will stay gone, a fuel injector seems logical since if it's sticking it will drive the system lean which is what the 171 code is for.

Feb 24, 2013 | 2002 Toyota ECHO

1 Answer

Misfiring on cylinder 1. symptoms: sputtering and engine shaking

That shop does not know how to test your cars problems

Injector Cleaner is not a fix for dirty or worn injectors

If they don't use an oscilloscope in their testing, they are
living 25 years in the past

Why did they not find the problems,they said they did lots of
testing,apparently stopped somewhere & gave up or don't
have the ability to do what is necessary

Could very well be a mechanical issue

A cylinder leak down test,mechanical or using a transducer
& scope, as well as scope the injectors & cylinder contribution
test, will tell you most likely whats wrong.

Try another shop & research their capabilty first

Jan 30, 2013 | 2002 Toyota ECHO

3 Answers


P0301 - Cylinder 1 Misfire Detected.

- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak

- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

P0303 - Cylinder 3 Misfire Detected.
Follow info from P0301.

P0316 - Misfire Occurred In The First 1,000 Engine Revolutions.

- Damaged CKP sensor.
- Ignition System.
- Fuel Injectors
- Running out of fuel
- Fuel Quality
- Base engine
- Damaged Powertrain Control Module

Usually the P0316 is combine with a P03XX codes. The P03XX code indicates in which cylinder the misfire occurred.

Jan 17, 2011 | 2002 Mercury Sable

1 Answer

Giving a 300 and a 301 code where do i start sounds fine when started and then when you put in gear it start misfiring

P0300 - Random / Multiple Cylinder Misfire Detected

Possible Causes:
- Improper spark plug
- Insufficient compression
- Incorrect fuel pressure
- The injector circuit is open or shorted
- Fuel injectors may be faulty
- Intake air leak

Possible Solutions:
- Perform Injector Service
- Replaced Spark Plugs
- Replaced Injectors
- Replaced Ignition Coils

P0301- Cylinder Number 1 Misfire Detected

Possible Causes:
- Improper spark plug at cylinder #1
- Insufficient compression at cylinder #1
- Incorrect fuel pressure
- The injector circuit is open or shorted at cylinder #1
- Fuel injector #1 may be faulty
- Intake air leak at cylinder

Possible Solutions:
- Perform Injector Service
- Replaced Spark Plug #1
- Replaced Injector #1
- Replaced Ignition Coil #1

Most likely your issue is with cylinder number 1. Follow the info I have provided and you should be able to solve this issue.

Jan 14, 2011 | 2002 Toyota Tacoma

1 Answer

Cylinder number one stops firing, and black smoke comes out of the exhaust. I replaced the coil pack and spark plugs. when i unplug battery and reset the faults, it drives fine for a couple days. what...

honestly it sounds like you have a bad computer. there is a constant 12 volts going to each fuel injector and the computer momentarily grounds each fuel injector to activate, the black smoke is from too much gasoline and the missfire is probably from the injector either hanging open or being held open electricaly. next time it starts to missfire on number 1 cylinder try taking a stethiscope or long screw driver and put it on #1 fuel injector with the engine running and see if you hear a clicking sound. If not try unplugging the #1 Fuel injector. this won't fix the missfire but you can see if the black smoke clears up. if the smoke doesn't clear up with the injector unplugged and you are sure its # 1 cylinder thats missing, replace #1 fuel injector.

Jul 10, 2010 | 2002 Jeep Grand Cherokee

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