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Toyota Tacoma F2rz Engine has fire at the coil but not at the plugs or injectors

Run when I got it, but wouldn't run when I got it home

Posted by Anonymous on

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6ya6ya
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Posted on Jan 02, 2017

  • 1861 Answers

SOURCE: 99 tacoma

Still need the codes.
Injectors can go "bad" in a couple of different ways; all they are is an electromagneticaly controlled nozzle. When the ECU "fires" the injector, it pulses a ground circuit for 4-8 milliseconds, the electromagnet powers up, the valve at the bottom of the injector opens, and the fuel shoots out, under pressure. The wire can be bad/chafed/corodded/ The electromagnet may be weak. The nozzle may be stuck. Lots of things. But, to put in an injector for a number 4 cylinder misfire (p-0304 code) would be one of the last things that I would do.

Posted on Nov 21, 2008

ButtFuzz
  • 463 Answers

SOURCE: my 2000 v8 toyota tundra suddenly lost power

Does this motor have the equivalent of crank-trigger ignition? If so, is the sensor A-OK?

Posted on Mar 02, 2009

  • 2 Answers

SOURCE: 1995 Nissan Pickup won't start

hay man. have you tried to see if your fuel pump is working or is it out of gas, Then you could checkyour timing good luck!

Posted on May 03, 2009

  • 14036 Answers

SOURCE: Running rough check engine light on

cylinder 5 has a dirty or sticking injector. check pvc and egr valve.

Posted on May 10, 2009

  • 1 Answer

SOURCE: how to change the check engine light on a 2000 toyota tacoma

i had the same thing, i had it tested at auto zone and they said it was the obd2. i was told the o2 sensor was not a big deal so i reset the check engine light by holding down the trip meter button while starting her up and it has not been on since.

Posted on Jun 23, 2009

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1 Answer

Miss fire in cylinder 5 have recently changed all3 coil packs plugs wires 02 sensors and 1 fuel inject. wich the fuel inj. seemed to work for a few months. but is back to running ruff, cutts out and hard...


Have you verified that fuel pressure is correct?
You might want to remove the injector rail and inspect it inside for a rust or garbage that can be clogging injectors.

Aug 20, 2013 | 1999 Toyota Tacoma PreRunner

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2001 Toyota Tacoma flashing Check Engine Light and misfire...oil light will come on as well after running for a bit.


Have you tried replacing the plug wires? Change your oil and filter your filter may be plugging up and causing your oil pressure to drop.

Jan 26, 2013 | 2001 Toyota Tacoma

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2003 toyota tacoma 2.7L will start but not run,


Start but won't run ??
Have you checked to see if you are loosing spark to the plugs or fuel to the injectors ? Have you checked the fuel pressure at the injectors ?
I would start with that and then proceed.

Aug 16, 2012 | Toyota Cars & Trucks

1 Answer

P0303 cylinder 3 misfire


Hi there:A P0303 code means that the the car's computer has detected that one of the engine's cylinders is not firing properly. In this case it's cylinder #3.

Symptoms may include:the engine may be harder to startthe engine may stumble / stumble, and/or hesitateother symptoms may also be present

A code P0303 may mean that one or more of the following has happened:Faulty spark plug or wireFaulty coil (pack)Faulty oxygen sensor(s)Faulty fuel injectorBurned exhaust valveFaulty catalytic converter(s)Running out of fuelPoor compressionDefective computer

Possible Solutions:If there are no symptoms, the simplest thing to do is to reset the code and see if it comes back.
If there are symptoms such as the engine is stumbling or hesitating, check all wiring and connectors that lead to the cylinders (i.e. spark plugs). Depending on how long the ignition components have been in the car, it may be a good idea to replace them as part of your regular maintenance schedule. I would suggest spark plugs, spark plug wires, distributor cap, and rotor (if applicable). Otherwise, check the coils (a.k.a. coil packs). In some cases, the catalytic converter has gone bad. If you smell rotten eggs in the exhaust, your cat converter needs to be replaced. I've also heard in other cases the problems were faulty fuel injectors.

Hope helps.

Mar 27, 2012 | 2003 Toyota Tacoma

1 Answer

Truck broke down no fire.. replaced coil, ing mod,cap rotor.. got fire truck runs... truck down again no fire


I recently had a similar problem. I drive a 94 ram 1500 with the 3.9 6 cylinder. When I replaced the coil it started right up but then cut out and wouldn't start. So I wiggled the wire that plugs into the coil and tried to start it and it fired up again and the next day it wouldn't start. My problem was were the wires connected to the plug came loss. I went to the junk yard found any ram truck from 94 to 01 with either gas engine 3.9-5.2-5.9 and cut the plug off with decent amount of wire and installed it on mine and problem was solved. I also had a catalytic converter problem about 3 months after that was similar but it would start right up and run in neutral fine but when it gear it would bog down and eventually stall. Good luck.

Jul 26, 2011 | 1992 Dodge Dakota

1 Answer

2002 toyota tacoma v6 4x4. I had a multipel misfire code and a misfire code on cyl 3&6. I changed the plugs and ignition coil for cyl 3&6. cleared the codes but still having problems with...


I was having the same problem changed plugs, plug wires, coil packs, cat converter and had injectors flushed....cost quite a bit and nothing fixed the problem. Over 1000.00 spent before changing the injectors and this fixed the problem perfect. My truck now runs like new and I hope to get another 185,000 miles out of it......have the injectors checked and use "seafoam"....good luck

Feb 11, 2011 | 2002 Toyota Tacoma

1 Answer

My 1999 Toyota Tacoma recently started being sluggish


what plugs did you use, denso i hope. is the firing order correct?

Mar 06, 2010 | 1999 Toyota Tacoma PreRunner

1 Answer

99 tacoma


Still need the codes.
Injectors can go "bad" in a couple of different ways; all they are is an electromagneticaly controlled nozzle. When the ECU "fires" the injector, it pulses a ground circuit for 4-8 milliseconds, the electromagnet powers up, the valve at the bottom of the injector opens, and the fuel shoots out, under pressure. The wire can be bad/chafed/corodded/ The electromagnet may be weak. The nozzle may be stuck. Lots of things. But, to put in an injector for a number 4 cylinder misfire (p-0304 code) would be one of the last things that I would do.

Nov 17, 2008 | 2001 Toyota Tacoma

2 Answers

#4 cyl misfires/code 304


P-0304 indicates number 4 cylinder misfire. Are you using Toyota parts dept spark plugs? More often than not, non-toyota plugs make the v-6s run poor, right out of the box....
Try this:With the engine running, pull the connector wire off of the #4 injector. Note to see if there is any change with the idle quality. No change? You may have a bad injector.

Aug 12, 2008 | 1997 Toyota Tacoma

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