Question about 1991 Toyota Pickup

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Wants to miss under load and some skips around town changed fuel filter no improvement

How come it misses changed fuel filter no change help?

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  • 66 Answers

Fuel filter has nothing to do with miss fire until high rpm's if the filter is restricted. The ECU usually sets a code for the miss and if it is intermittent and random cylinders you will get a P0300. If it is a particular cylinder or cylinders you will get a P030* the 'star' being whatever the ECU has determined is the cylinder/s. 1, 2 , 3 , 4 etc.

Posted on May 09, 2014

Testimonial: "thanx ill have to take it to a shop How about the pcv?"

  • Don Kerr May 09, 2014

    Have the shop check the PCV although there are many engines that do not have one.

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6 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

  • 1861 Answers

SOURCE: fuel filter location 2000 camry

The fuel filter is the LAST thing you need to look at. I would be first looking at the age of the spark plugs. Get the car to somebody who can scan it. If the scan result is a P-0301/2/3/4/5/6, that would indicate bad plugs.

Posted on Mar 23, 2009

TLFederline4
  • 12 Answers

SOURCE: sputtering and hesitating

Try replacing the PCV valve, and spray the carb, or throttlebody, with a good carb and choke cleaner.

Posted on Apr 10, 2009

MrFixItNNJ
  • 15 Answers

SOURCE: 97' 4runner (4cyl) stumbles (misses) under load

Factory plugs are not always the best tool for the application. In your case, you use the vehicle for something that would be deemed as heavier usage as per your question. What you need is to contact your local dealer or Auto parts store for platinum tip or double platinum tip plugs for a greater spark, o r you could replace with the recommended pluga and regap them for a greater spark...

Posted on Jul 12, 2009

  • 59 Answers

SOURCE: toy turns over but wont run change fuel filter n fuel pump still

The fuel pump should run for a second or two when you first turn the key on, but then shuts down to prevent the engine from flooding if the computer does not get a signal from the crank or cam sensors which the computer uses to trigger the ignition system. So no spark no fuel. Check to see if you have a spark in the ignition system.

Posted on Aug 28, 2009

  • 1861 Answers

SOURCE: my toyota tacoma is missing when taking off and

It's probably not the fuel filter. I would suggest replacement sparkplugs, and wires, since you did not nmention these items. Also, use plugs from a Toyota parts dept. If you use anything else, it won't run properly.

Posted on Sep 16, 2009

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