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Signs of defective computer box - Mitsubishi Cars & Trucks

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What would cause a 97 Ford Probe GT to idle rough and misfire at idle only Buck Run better when it's cooler outside and it also stalls when it has a rough idle


Check for any sources of unmetered air entering the engine. ( Vacuum leaks ). Check air intake hose going from air filter box to throttle assembly for any signs of splits/cracking causing a lean condition. Possible Air flow sensor dirty/defective

May 27, 2016 | Ford Cars & Trucks

1 Answer

Signs of faulty brain box golf 1996


No such thing as a brain box

PCM,ECM,ECU,BCM,GEM

Lots of names for various vehicle computer
modules & they seldom fail

No signs & nothing you can check & little
a professional can check,some day the shops
will be up to speed, but that is 20 years way

Why not tell us the complete story,with details,test
result & such or go to a dealer or local shop for that
secret your keeping about the car

Oct 15, 2014 | 1996 Volkswagen Golf

2 Answers

Problems with lights front and rear


Has to be a connection issue, and with fuse boxes, many will have contact issues if moiture gets into fuse box. Look for fuse connector corrosion for your fuse for lights, which usually are marked in your fuse box cover or manual. Once you know which fuse is for your headlights and tailights, look for a white residue on connector, sure sign of corrosion, then simply clean with contact cleaner, or take small brush or tooth brush and clean contacts, then scratch surface with small screw driver and plug back fuse, of course, assuming fuse is not broken or defective. It is rare to have fuses be the problem with intermitent connection problems, but not impossible.

Good luck,

Jul 11, 2014 | 2011 Audi A3

1 Answer

My 2000 mercury cougar wants to start but doesnt turn over?


Try to reset the connector of the computer box. Check your spark plug if is wont out. Check the high voltage, high tension wire defective, check the distributor or tune up or wrong timing in the engine. Or your battery is also defective. These are only the possible cause of the engine with not starting.

Sep 08, 2011 | 2000 Mercury Cougar

1 Answer

How to remove a fuse from a 1998 mazda 626 fuse box


For many years, most cars' fuse panels (orfuse boxes) were located under the driver-side dashboard. This began to changefor two reasons: Copper wire costs increased, and more wire was needed with theadvent of advanced automotive electronics. Automaker began to use two or morefuse panels as a cost-saving measure. All the fuses that corresponded tocomponents under the hood were located under the hood instead of inside thevehicle, while other fuses remained inside the cabin. Follow this steps on howto remove the fuses. 1. Raiseyour 1998 Mazda's hood. On the right side, near the battery, is a covered,black box. Unsnap the box's clips and raise the lid. The fuses are arranged inrows for easy service. Regardless of the year or model, Mazda uses thisarrangement. Replace any fuses that are defective. You might have to pull themto see whether they're blown, or you might be able to tell without pulling eachfuse. If the curved metal piece within the opaque molded plastic is broken, thefuse is bad. 2. Unsnapthe lid to the black box on the left side of the vehicle--under the hood,mid-way up the left fender well. This box is the relay panel; it may havededicated fuses inside. Check any fuses there and inspect the relays for burnspots or signs of overheating. 3. Openthe driver's door. Under the dashboard on the left kick panel is a cover.Remove the cover and, with a flashlight, inspect the fuses that are installedthere. Replace any fuses that are defective.

Jan 11, 2011 | 1998 Mazda 626

1 Answer

The Check Engine Indicator of my 1994 Honda ESI (orange light looking like a faucet) lights up when he ignition is on, but does not turn-off and the car engine won't start anymore. Is this due to defective...


it could be the computer box. it could be the starter better have a mechanic come to your place before deciding to buy a computer box to make sure.

Oct 02, 2010 | 1994 Honda Accord

1 Answer

Car overheats when heat is put on. both fans


Have you checked the Heat Gaskets. They may be defective or not functioning. Also Check the Cooling System's chemical completely checked. Also ensure that the Thermostat is not defective. Also try replacing the thermostat.
Thank you Sir, Have a nice day.

Sep 26, 2009 | 1999 Dodge Intrepid

2 Answers

WHAT ARE THE SIGNS OF A BAD CAR COMPUTER


The only way to condem a computer is by testing every component related to your problem. Then test the ground and power to the computer. Then clean every engine and body ground/ Then test for proper reference voltage and ground to the sensors. Then look at the compuer data and see if it reads the same as when you tested at the sensor. Then check the resistance in the signal wire if something is not the same. If 0ohms resistance then you prabably have a defective computer. Remember any system in a computer can become defective. You need to know what info is correctly making it to the computer and then what output control the computer is suppose to command. This is what you test. If you know the info is being delivered, then you test the output control at the pcm for the proper command., easy huh, lol

Jul 30, 2009 | 1995 Mazda 626

1 Answer

1988 Toyota Celica GT4 Computer box


There is no problem with your computer box, it says 3S-GT on it, thats the way toyota did them back then. same with the 3S-FE (says 3S-F on the comp. box) and 3S-GE (3S-G on comp. box.) i dont recommend removin the cat. you will get defected (or waht is equivelant to a defect where you are) due to smog and stuff like that. Turbo timer is wired to the igntion system, no problems there. and as for gauges: get a pro to install them, but there should be zero trouble.

Sep 30, 2008 | 1988 Toyota Celica Liftback

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