1995 Toyota Tacoma skipping

Tiny
STARMAN56
  • MEMBER
  • 1995 TOYOTA TACOMA
  • 2.4L
  • 4 CYL
  • 2WD
  • MANUAL
  • 234,000 MILES
Tuned up about 5000 miles ago, started skipping a little, has never skipped unless it wants a tune-up. Tuned it up again with new denso plugs, wires, rotor, dist. Cap, ran for a week or so started skipping again not to bad, but enough to be annoying, filled up about 1/2 to 3/4 added some lucas gas treatment, ran ok for 3 or 4 days with maybe a skip here and there, then started skipping again, thought it could be fuel filter, so we replaced it, the old one was clogged somewhat, had to blow on it hard and blew debri out, it ran about 2 or 3 days with only minor skip, finally it just stopped, we replaced dist. Coil( was bad) replaced cam sensor, now it sits and runs with no skip when idling, but if you try to drive it, it skips and jerks. Don't have no idea what this is. What do you think it is? Could a bad battery cause this? The battery checks out on machine to be bad, but it still starts the truck. Thought maybe it's not getting steady current, but that would come from alternator I think. Don't have no ideal on this one. It's got me puzzled. I need help. I'm on disability and this is my only means of transportation and this rental car fee is killing me. Thanks. Ron
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Friday, December 27th, 2013 AT 10:11 AM

5 Replies

Tiny
JACOBANDNICKOLAS
  • EXPERT
Has the check engine light come on? Have you checked fuel pump pressure?
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Friday, December 27th, 2013 AT 2:57 PM
Tiny
MAXIMILIAM
  • ADMIN
The check engine light is not on and we checked the fuel pump pressure today and it was good.

Starman56
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Saturday, December 28th, 2013 AT 3:31 AM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Is this the original engine? Have you checked engine compression? Also, have you checked and cleaned the fuel injectors?
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Wednesday, January 1st, 2014 AT 7:33 PM
Tiny
STARMAN56
  • MEMBER
Haven't checked compression. It is the original engine. Has always ran good with no problems up until now. Haven't cleaned injectors. Someone said it could be the oxygen sensors either one or both. Or could be catalytic converter stopped up. Don't know. The guy that's been working on it is a friend of mine that I've known for 10 or more years and he says he had ran every test he knows on it and is basically giving up on it. He's had it for about 2 weeks and tried all he knows. So tomorrow I'm taking it to the toyota dealer so maybe they can find out what is wrong. It's feel it's something so simple it right in front of them and they can't find it. So we will see. I e-mail you with what it turns out to be. When the mystery is solved. He says you can drive it but it skips and don't have much power now. I'll let you know when I know what it is so if it happens to someone else we all will know what it is.
Thanks for your help,
Ron
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Wednesday, January 1st, 2014 AT 10:09 PM
Tiny
JACOBANDNICKOLAS
  • EXPERT
Ron:
I look forward to hearing from you. As far as the sensors, if it was an oxygen sensor, it should have turned on the check engine light. Since your mechanic has checked for ignition issues as well as fuel system issues, the last thing I can think of is an issue with compression. As far as the catalytic converter, usually you will experience a loss of power but not a misfire. Let me know what they tell you. I'm interested in hearing the results.
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Thursday, January 2nd, 2014 AT 2:43 PM

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