Question about 1994 Toyota Corolla

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1994 corolla dx 1.8L running rich problems

Changed distributor(whole thing), metered wires, changed sparked plugs (gapped to spec),changed IAT, changed Coolant Temp Sensor, changed HO2S, metered while engine running and warmed up reading .9v, above chilton's repair manual spec of .5v, Dies out while engine hot. Cant figure it out. Possible Engine Controller problem? Compression Problems?

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  • Toyota Master
  • 4,521 Answers

With the money u hav left look into the injector drive circuit of the computer-thatz wat runs rich and leen--may need a new one or hav whole computer reprogramed-easier

Posted on Jan 23, 2013

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Posted on Jan 02, 2017

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dgjtex
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SOURCE: 1994 corolla dx 1.8l automatic

Have your checked your coils? Never replace parts to try and fix a problem, Find the exact problem and fix it! No spart would be either a bad cam/crank sensor, bad coil pack or ecm fuse!

Posted on Dec 26, 2008

  • 6 Answers

SOURCE: 2000 toyota corolla ve engine will run at idle but

Install a new mass air flow meter i own this car ive had this issue with my own and several others

Posted on Jul 25, 2009

MNfisherman
  • 11896 Answers

SOURCE: I'm trying to figure out the proper spark plug gap

go to autozone.com and register for full free online repair manual for your car

you can also view free chilton repair manual at google ebooks. Or call part store and the will look it up for you.

Posted on Oct 12, 2009

emissionwiz
  • 76070 Answers

SOURCE: !994 Toyota Corolla trip meter does not log miles.

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Posted on Jul 19, 2012

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1 Answer

What should the spark plug gap be set to?


the spec is .043", for both the V6, and the Inline 4. The theory behind enlarging gaps, is that a larger gap creates a larger spark, thus more effecient ignition. The problem is, your ignition system was designed for the .043" spark plug gap, not larger. Enlarging the gap puts a greater strain on your ignition system components, and it may not be strong enough to jump a larger gap. The result would be less efficient combustion, or a cylinder(s) that won't fire at all. Pull your plugs, and set them at .043". Check the distributor cap, rotor, wires, and your filters. Make sure the car is totally warmed up before the smog test. Good luck.

Jun 04, 2016 | 1990 Toyota Corolla

1 Answer

97 geo prizm mis firing


1. Check resistance of the spark plug high tension cords. (approx. 6 KOhms to 25 K Ohms with DMM on the range adjusted to 10K or 20K whatever range is available on the meter).
2. Check the distributor cap and rotor (if it is distributor type ign. system, other wise CMP and CKP sensors).
3. Adjust the spark plug gap to 0.7 mm - 0.8 mm.
4. Check the valve tappet clearance. (0.25 - 0.30 mm)
5. Check the valve timing.
6. Check the MAP sensor.

Dec 10, 2013 | 1994 Toyota Corolla

2 Answers

How do I check for spark in my 1994 toyota corolla. I have volt/ohm/amp meters if necessary.


Disconnect a spark plug wire ... attach a plug to it ... turn the engine over ... watch the plug ... spark?

Apr 29, 2011 | 1994 Toyota Corolla

2 Answers

I need the spark plug gap for 94 carolla w/ 1600 cc engine


it will read on a sticker under the hood usually where the engine specs are

Mar 11, 2010 | 1994 Toyota Corolla

1 Answer

ALight I just Bought a 1994 civic dx Not running.


check the distributor/cap and starter

Nov 02, 2009 | 1994 Honda Civic

1 Answer

1.8L stumbles when hit bumps in road. Messed


Wow, this kind of a problem can drive ya nuts. There are 2 different engines for this car, one is a model 4A-FE and the other is a 7A-FE. The problem sounds like a coil breakdown..I know it sounds nuts because it happens when you hit a bump, but it could be coincidental to a coil breaking down when under load. You will need a decent Ohm Meter to do the following. Check the coil primary resistance [4A-FE & 7A-FE both = 1.11 - 1.75 ohms], then check the secondary resistance [4A-FE & 7A-FE both = 9.0 - 15.7 kilohms]. If either of these values is out of spec, the coil will need to be replaced. If everything is OK, next check the air gap between the signal rotor and the pick up coil projection (CAUTION; use a non-ferrous feeler gauge..ie: paper, brass or plastic). For a 4A-FE and a 7A-FE engine it should be .008 - .0016 in. If this air gap is not correct you have to replace the distributor housing. I hope that this helps to find / fix, or eliminate the distributor. If all this is OK check the lead wire from the distributor...it could have a broken wire inside of the plastic cover. If still no luck, write back and we'll try again.

Oct 07, 2009 | 1994 Toyota Corolla

1 Answer

1994 corolla dx 1.8l automatic


Have your checked your coils? Never replace parts to try and fix a problem, Find the exact problem and fix it! No spart would be either a bad cam/crank sensor, bad coil pack or ecm fuse!

Nov 19, 2008 | 1993 Toyota Corolla

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