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I have a 1992 Toyota truck 3.0 v6. When accelerating sometimes well most of the time it misses a little and loses speed until I almost floor it then takes off normally. Then I return to Hwy speed and it will do this again. I have replaced the following. Fuel filter, fuel pressure regulator, tps sensor, max airflow sensor,ECM,checked all exhaust. My engine light finally came on after two weeks of this but nobody can get any codes off of this truck for some reason the machines say they cannot get connection. I am now lost on this and I love my truck. P.S. I let the truck sit for a week in the cold and it ran great for about 30 minutes and then started this **** again. Please help

1 Answer

kays

Toyota Master 1,179 Answers
Posted on Apr 01, 2017

kays

Toyota Master

Joined: May 23, 2016

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Is it petrol?
if yes change ht leads and coil pack.
misfire should clear.

3 Related Answers

Anonymous

4 Answers
Posted on May 08, 2009

SOURCE: 2004 nissan sentra starts the stops. acts like

check your ecm connection

Anonymous

92 Answers
Posted on Sep 29, 2009

SOURCE: 1997 F-350 Ford Powerstroke4x4 Crew

Have you changed your oil? Rotella 15W-40. These engines really don't like old oil. It becomes too thick for the injection pump to work correctly. Another possibility is a bad cam sensor on the front of the motor. Most engines call this the crank sensor but on this engine you have to look it up as a cam sensor.

Anonymous

1752 Answers
Posted on Oct 15, 2009

SOURCE: what would make the coce rich exhaust to come up

Replacing parts without analysis is just wasting money. You need to take it to a mechanic with the right engine analyzer.

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My 1992 Toyota 4runner v6 while accelerating will build pressure I can feel in the gas pedal, then backfiring if I continue to accelerate. Sometimes I can avoid backfire by pushing clutch and shifting up...

Check the fuel pressure, and then see where youre at and if it is restricted from the pump or filter.
Next, try to see if you can get any codes out of the SUV. CEL can store any issues for quite some time, and it could be the MAF sensor, as that is very common with these.
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Heater is not works perfectly and missing idle speed

Too long to warm up: Replace the thermostat.

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This should help your issue out greatly.

A FixYa rating would really be appreciated.
Thanks in advance.

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kays

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My 1992 Toyota 4runner v6 while accelerating will build pressure I can feel in the gas pedal, then backfiring if I continue to accelerate. Sometimes I can avoid backfire by pushing clutch and shifting up...

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1 Answer

kays

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My 1992 Toyota 4runner v6 while accelerating will build pressure I can feel in the gas pedal, then backfiring if I continue to accelerate. Sometimes I can avoid backfire by pushing clutch and shifting up...

The speedometer doesn't move and the engine sounds out of gear, does not accelerate

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My 1992 Toyota 4runner v6 while accelerating will build pressure I can feel in the gas pedal, then backfiring if I continue to accelerate. Sometimes I can avoid backfire by pushing clutch and shifting up...

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