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Engine Problem Cannot start motorcycle even when the fuel pump, fuel injector, fuel strainer,and the ignition coil as well as the spark plug

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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).

Nov 27, 2011 | 2001 Mitsubishi Diamante

1 Answer

Engine swings but does not start


Your testing so far seems to exonerate components #1 to #5, and #13.
Since you've already replaced a number of parts to address the problem, I thought I should try to be comprehensive:

Priority Action Part Type Cause
1 Inspect Ignition Switch - Improperly Connected or Faulty Ignition Switch.
2 Inspect Battery - Battery Discharged or Faulty.
3 Inspect Battery Cable - Coroded, Broken, Shorted or Poorly Connected Battery Cable.
4 Inspect Starter Solenoid - Starter Solenoid Faulty.
5 Inspect Starter Motor - Starter Motor Faulty.
6 Inspect Wireset - Worn or Damaged Spark Plug Wires.
7 Inspect Ignition Coil - Faulty Ignition Coil.
8 Inspect Distributor Cap - Loose, Cracked or Worn Distributor Cap.
9 Inspect Spark Plug - Incorrectly Gapped or Fouled Spark Plug(s).
10 Inspect Distributor Cap and Rotor Kit - Loose, Cracked or Worn Distributor Cap, or burned rotor contacts.
11 Inspect Fuel Tank - Fuel Tank Empty.
12 Inspect Carburetor - Worn, Faulty or Damaged Carburetor.
13 Inspect Fuel Pump - Faulty Fuel Pump.
14 Inspect Fuel Pump Strainer - Fuel Pump Strainer Clogged.
15 Inspect Fuel Filter - Fuel Filter Clogged.
16 Inspect Air Filter - Air Filter Clogged.
17 Inspect Fuel Injectors - Fuel Injectors Clogged/Inoperative
18 Inspect/Test PCM - Powertrain Control Module (Computer) defective - sending incorrect ignition/timing signals to fuel injectors
19 Inspect Fuel Rail - Fuel Rail leaking/broken causing inadequate/low fuel pressure.

Use a HEI (High Energy Ignition) tester to see if you have spark to your sprak plugs - if not, suspect Ignition Coil, Distributor Cap, or Distributor Rotor.

Nov 21, 2011 | Cars & Trucks

1 Answer

Turn key to start and nothing happens. All lights are on, battery good. Doesn't turn over---nothing. Switch or starter or some kind of relay??? HELP!!!


For 1999 Buick LeSabre - but you took #1 off the list, so here's the whole "failure to start" list:

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

Sep 12, 2011 | 1999 Buick LeSabre

1 Answer

I have a lot problems when i need to start the engine in my genesis 2.0 coupe why is this,,i took the car to the dealer but cant find a problem,they say battery is ok


You already took #1 off the list.
The national auto parts chains (AutoZone, Pep Boys, and Advance Auto Parts) will hook up a
diagnostic tool to your car to perform a Charging System diagnosis for free - its an easy
way to exonerate & differentially diagnose your Alternator/Battery/Voltage Regulator.

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

Sep 04, 2011 | 2009 Hyundai Genesis

1 Answer

I have a 1990 mitsubishi might max it wont run smooth unless you keep your foot on the gas and keep the rpms up a little bit and it wont drive cause it stalls everytime you try to move it. ive replaced the...


You've already eliminated the spark plug & wireset, distributor cap & rotor.
Sounds like your car needs a tune-up, specifically, the PCV (positive crankcase ventilation) valve, and/of the EGR (Exhaust Gas Recirculation) valve.

Components checked/replaced during a tune-up are:
air filter
motor oil
motor oil filter
breather filter
fuel filter(s)
fuel strainer
PCV valve
EGR valve
spark plugs
spark plug wires
ECM or distributor cap & rotor
cabin air filter
transmission oil filter
transmission oil
engine coolant
check all vacuum hoses and lines

Troubleshooting the no-start condition - from the 1990 Mitsu Mighty Max Repair Manual:

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

Aug 17, 2011 | 1993 Mitsubishi Mighty Max

1 Answer

My mitsubishi eclipse 95 gs wont start and theres no light on my dash bored it will cranck but wont start at all i need help asap


Since the engine cranks, the battery, starter motor/starter motor solenoid are most likely
good, so suspect everything else on the list. When you narrow it down, re-post with a
more specific question about that particular component, since 100s of components must operate
nearly perfectly for a vehicle to actually start.

Priority Action Part Type -- Cause
1 Inspect Battery -- Battery Discharged or Faulty.
2 Inspect Battery Cable -- Corroded, Broken, Shorted or Poorly Connected Battery Cable.
3 Inspect Battery Cable Connector -- Broken/Corroded/Loose.
4 Inspect Fuel Filter -- Clogged or Dirty Fuel Filter.
5 Inspect Ignition Coil -- Faulty Ignition Coil.
6 Inspect Wireset (aka Spark Plug Wires) -- Worn, Damaged or Faulty Spark Plug Wire(s).
7 Inspect Spark Plug -- Incorrectly Gapped or Fouled Spark Plug(s).
8 Inspect Starter -- Starter Motor Faulty.
9 Inspect Fuel Pump -- Low Fuel Pressure.
10 Inspect Solenoid Switch -- Faulty Starter Solenoid Switch.
11 Inspect Fuel Pump Relay -- Faulty Fuel Pump Relay.
12 Inspect Fuel Injector Pressure Regulator -- Faulty Fuel Injector Pressure Regulator.
13 Inspect Ignition Switch -- Improperly Connected or Faulty Ignition Switch.
14 Inspect Starter Drive -- Faulty Starter Drive.
15 Inspect Fuel Injectors -- Dirty or Worn Fuel Injectors.
16 Inspect Fuel Pump Strainer (inside fuel tank) -- Clogged or Dirty Fuel Pump Strainer.
17 Inspect Engine Control Computer -- Incorrect Operating Information Being Delivered and Sent From The EEC (faulty computer)
18 Inspect Fuel Tank -- Fuel Tank Empty.
19 Inspect Carburetor -- Carburetor Flooded or Faulty Choke.
20 Inspect Distributor Cap -- Worn, Loose, Cracked, or Incorrectly Installed Distributor Cap.
21 Inspect Distributor Rotor -- Worn, Loose, Burnt contact surface
22 Test/Inspect Neutral Safety Switch -- Faulty Neutral Safety Switch

Aug 16, 2011 | 1995 Mitsubishi Eclipse

2 Answers

Problem with the ignition it will not turn on it does turn but will not turn on


The pin on the back side of the key may be sheared or the "push" lever may not be moving. Lower your steering column to check.

Apr 17, 2011 | 2001 Ford Focus

1 Answer

My car wont start


1 Inspect Battery -- Battery Discharged or Faulty.
2 Inspect Battery Cable -- Corroded, Broken, Shorted or Poorly Connected Battery Cable.
3 Inspect Distributor Cap -- Distributor Cap Cracked or Burned.
3 Inspect Fuel Filter -- Clogged or Dirty Fuel Filter.
5 Inspect Coil - Ignition -- Faulty Ignition Coil.
6 Inspect Wireset -- Worn, Damaged or Faulty Spark Plug Wire(s).
7 Inspect Spark Plug -- Incorrectly Gapped or Fouled Spark Plug(s).
8 Inspect Starter -- Starter Motor Faulty.
9 Inspect Fuel Pump -- Low Fuel Pressure.
10 Inspect Solenoid Switch -- Faulty Starter Solenoid Switch.
11 Inspect Relay - Fuel Pump ----- Faulty Fuel Pump Relay.
12 Inspect Fuel Injector Pressure Regulator --- Faulty Fuel Injector Pressure Regulator.
13 Inspect Ignition Switch --- Improperly Connected or Faulty Ignition Switch.
14 Inspect Starter Drive --- Faulty Starter Drive.
15 Inspect Fuel Injector --- Dirty or Worn Fuel Injectors.
16 Inspect Fuel Pump Strainer ---- Clogged or Dirty Fuel Pump Strainerat.

Mar 17, 2011 | 1995 Buick LeSabre

1 Answer

New fuel pump and still wont start


1 Inspect Battery Battery Discharged or Faulty. 2 Inspect Battery Cable Corroded, Broken, Shorted or Poorly Connected Battery Cable. 3 Inspect Distributor Cap Distributor Cap Cracked or Burned. 3 Inspect Fuel Filter Clogged or Dirty Fuel Filter. 5 Inspect Coil - Ignition Faulty Ignition Coil. 6 Inspect Wireset Worn, Damaged or Faulty Spark Plug Wire(s). 7 Inspect Spark Plug Incorrectly Gapped or Fouled Spark Plug(s). 8 Inspect Starter Starter Motor Faulty. 9 Inspect Fuel Pump Low Fuel Pressure. 10 Inspect Solenoid Switch Faulty Starter Solenoid Switch. 11 Inspect Relay - Fuel Pumpat Faulty Fuel Pump Relay. 12 Inspect Fuel Injector Pressure Regulator Faulty Fuel Injector Pressure Regulator. 13 Inspect Ignition Switch Improperly Connected or Faulty Ignition Switch. 14 Inspect Starter Drive Faulty Starter Drive. 15 Inspect Fuel Injector Dirty or Worn Fuel Injectors. 16 Inspect Fuel Pump Strainer Clogged or Dirty Fuel Pump Strainerat. 17 Inspect Engine Control Computer Incorrect Operating Information Being Delivered and Sent From The EEC. 18 Inspect Fuel Tank Fuel Tank Empty. 19 Inspect Carburetor Carburetor Flooded or Faulty Choke. 20 Inspect Distributor Worn, Loose, or Incorrectly Installed Distributor.

May 22, 2010 | 2000 Dodge Caravan

2 Answers

Wont start turns over but no start


1 Inspect Battery Battery Discharged or Faulty. 2 Inspect Battery Cable Corroded, Broken, Shorted or Poorly Connected Battery Cable. 3 Inspect Fuel Filter Clogged or Dirty Fuel Filter. 3 Inspect Distributor Cap Distributor Cap Cracked or Burned. 5 Inspect Coil - Ignition Faulty Ignition Coil. 6 Inspect Wireset Worn, Damaged or Faulty Spark Plug Wire(s). 7 Inspect Spark Plug Incorrectly Gapped or Fouled Spark Plug(s). 8 Inspect Starter Starter Motor Faulty. 9 Inspect Fuel Pump Low Fuel Pressure. 10 Inspect Solenoid Switch Faulty Starter Solenoid Switch. 11 Inspect Relay - Fuel Pumpat Faulty Fuel Pump Relay. 12 Inspect Fuel Injector Pressure Regulator Faulty Fuel Injector Pressure Regulator. 13 Inspect Ignition Switch Improperly Connected or Faulty Ignition Switch. 14 Inspect Starter Drive Faulty Starter Drive. 15 Inspect Fuel Injector Dirty or Worn Fuel Injectors. 16 Inspect Fuel Pump Strainer Clogged or Dirty Fuel Pump Strainerat. 17 Inspect Engine Control Computer Incorrect Operating Information Being Delivered and Sent From The EEC. 18 Inspect Fuel Tank Fuel Tank Empty. 19 Inspect Carburetor Carburetor Flooded or Faulty Choke. 20 Inspect Distributor Worn, Loose, or Incorrectly Installed Distributor.

Jul 02, 2009 | 1997 Ford F250 SuperCab

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