Question about 1994 Mitsubishi Diamante

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I need to know how to change the spark plugs in the back of a Mitsubishi diamante 1994 - the car seems to have a miss. Please help! The wires are sparking fire

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  • 82 Answers

In some cases, you may have to do it from under the car, using swivels and extentions. In other cases, you may have to remove the front motormount, and rock the motor a bit.

Posted on Dec 15, 2014

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Posted on Jan 02, 2017

  • 150 Answers

SOURCE: Change spark plugs and now car wont start.....1994 ford tarus

Do you have the "firing order" correct? In other words, is each spark plug wire going to the same cylinder it was on before you changed the plugs? If you have done nothing else but changed the plugs then this is the most likely problem.
If when you try to start the car it backfires through the exhaust or backfires through the intake. Then this " IS" the problem. Good luck.

Posted on May 23, 2009

arauzvictor1
  • 466 Answers

SOURCE: What is the firing order for spark plug wires 1996 Chevy Cavalier

Ok Gary I sent you two figures of a 2.2L and 2.4L engine I hope to serve you. Thanks4b0b09e.jpgc5349b5.jpg

Posted on Feb 28, 2010

  • 608 Answers

SOURCE: I have a Mitsubishi 2000 Diamante, I recently

This is the speed zone where wheel unbalance begins to take effect. Have you replaced a wheel or tyre lately?

Posted on Mar 19, 2010

  • 118 Answers

SOURCE: 2000 Mitsubishi Diamante / car starts but will not

Make sure that the timing belt has not failed. Regular maintenance service is every 60,000 miles. Also, perform a compression check on all cylinders and compare for proper specs.

Posted on Apr 23, 2010

archaeology
  • 662 Answers

SOURCE: Mitsubishi Diamante 2001, Car Will Not Start, Attempts to Crank, But no Fire. Blowing Engine Control Fuses repeatedly.

For the sake of completeness, here's the full no-start Troubleshooting Guide for the 2001 6 cylinder 3.5L MFI Mitsu Diamante, but the problem with your car is line item #6 - the ECC (Engine Control Computer) is shorted/dead. Without an ECC, the Diamante will (a) get no spark, since the ignition timing comes from the computer, and (b) get no fuel, since the fuel injectors are operated by the computer as well. The engine will turn over, since running the starter motor is a non-computer controlled matter of a correctly functioning ignition switch, a charged battery, and good wiring to a functional starter motor/solenoid, but will never start.
The clue pointing directly to the ECC failure is the blowing ECC fuses. These fuses are blowing to tell you that the ECC is shorted dead.
Since the ECC is expensive, exhaustively check out all other possible sources of the problems, but with so few problems causing loww of both spark and fuel, combined with the blown ECC fuses pointing directly to the ECC, it seems that the ECC is the only culprit.
Here's a used 2001 Mitsu Diamante ECC at Ebay for $175.

http://www.ebay.com/itm/ws/eBayISAPI.dll?ViewItem&item=270828804340+&item=270828804340&lgeo=1&vectorid=229466


Priority Action Part Type Cause
1 Inspect Choke - Stuck or Improperly Functioning Choke.
2 Inspect Fuel Filter - Clogged or Dirty Fuel Filter.
3 Inspect Fuel Pump Relay - Faulty Fuel Pump Relay.
4 Inspect Fuel Injector Pressure Regulator - Faulty Fuel Injector Pressure Regulator.
5 Inspect Fuel Pump - Low Fuel Pressure.
6 Inspect Engine Control Computer - Incorrect Operating Information Being Delivered and Sent From The EEC.
7 Inspect Fuel Pump Strainer - Clogged or Dirty Fuel Pump Strainer.
8 Inspect Ignition Switch - Improperly Connected or Faulty Ignition Switch.
9 Inspect Battery - Battery Discharged or Faulty.
10 Inspect Battery Cable - Coroded, Broken, Shorted or Poorly Connected Battery Cable.
11 Inspect Solenoid - Starter Solenoid Faulty.
12 Inspect Starter - Starter Motor Faulty.
13 Inspect Wireset - Worn or Damaged Spark Plug Wires.
14 Inspect Ignition Coil - Faulty Ignition Coil.
15 Inspect Distributor Cap - Loose, Cracked or Worn Distributor Cap.
16 Inspect Spark Plugs - Incorrectly Gapped or Fouled Spark Plug(s).
17 Inspect Distributor Rotor - Loose, Cracked or Worn Distributor Rotor.
18 Inspect Fuel Tank - Fuel Tank Empty.
19 Inspect Carburetor - Worn, Faulty or Damaged Carburetor.

The fuel pump strainer is a sock-like strainer in the fuel tank on the input side of the fuel pump designed to protect the fuel pump by straining out any debris in the tank (similar to the way that the fuel filter protects the engine/fuel injectors/fuel pressure regulator).

Posted on Nov 27, 2011

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1 Answer

My 1993 Mitsubishi Diamante will not start in cold. Also when it finally does decide to start it'll shut off. The electronics stay on, but the car cuts off. I'll drive it to the store and walk in to buy...


when was the timing belt last changed. ? could be this.
also check breather lines all of them there may be a blockage.
check spark plugs and leads this can also lead to this fault. an damaged or week lead or spark plug will take more to get going. leads can wear out and go hard and crack inside. spark plugs gaine in the gap size over time.

Oct 15, 2013 | 1993 Mitsubishi Diamante

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Intermittent misfiring


Had the same thing. The didtributor was going bad. Lived with it for a few months finally it died. 1 year after replacing the distributor the problem started again. Glad I got a warranty on the distributor. Running great now on the second distributor.

Jul 08, 2010 | 2001 Mitsubishi Diamante

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1994 Mitsubishi Diamante. I had this problem for a while now. When the engine is hot it gets worth. The engine is miss firing, I replaced spark plugs and wires a year ago. i also replaced Air miter. The...


check or relace your coil pack due to the fact that when a coil pack is going bad it usually looses its umph. when it get hot and that would explain random miss fires

Jun 23, 2010 | 1994 Mitsubishi Diamante

1 Answer

I need a diagram for changing spark plugs on 2002 diamante


Hi,
Get some tape - mark each spark plug wire with a piece of tape long enough to go around the plug wire and an extra 2 inches - -on that two inches left over - write the cylinders on the tape with a majig marker - 1 2 3 4 5 6 and so forth - then put the wire back on the plug. For settings - call the dealer of the car with the VIN number in hand. They will tell you of any changes and the exact plug to buy.
Thanks
Gary Rice

Apr 20, 2010 | 2002 Mitsubishi Diamante

1 Answer

I have a Mitsubishi 2000 Diamante, I recently replace the spark plugs and wires. Now the car shakes really bad at speeds of 45 and above. I need help.


This is the speed zone where wheel unbalance begins to take effect. Have you replaced a wheel or tyre lately?

Mar 19, 2010 | 2001 Mitsubishi Diamante

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Put in new spark plugs but now engine ''hunts'' at speed and seems like its mis firing and runs roughly . Its a mitsubishi Magna TR 2.6 l efi


Make sure the parts guy sold you the right spark plugs for your car. Make sure you got the right gap and make sure you put the plug wires back on securely and in the correct order.  I usually do one plug at a time so I don't mess up the order.

Nov 21, 2009 | 1993 Mitsubishi Diamante

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