Question about Geo Cars & Trucks

4 Answers

No power to the distibutor or fuel pump or ecm

Bought the car and it had a miss so I replaced the distributor cap rotor button spark plugs and wires it ran great for three days and then quit running while driving down the road when I got it home I figured out the ignition coil went bad so I replaced it and the car ran great for couple days and quit while driving down the road again now im not getting any power to the distributor or the fuel pump or the ecm what do I do next

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  • Jonathan Murray Jun 27, 2015

    Also check ck fuse because some reason you had a surge
    Of juice or electicity

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4 Answers

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  • Geo Expert
  • 235 Answers

The ingniter does two jobs it send current to the coil and it also
tell the injector when to fire that's what it does if the coil smoke
the ingniter is loading up getting hot because it gets current;
from the-alt and reg maybe the altos overcharging ck charging sustemplease let me know

Posted on Jun 27, 2015

  • _-__-___-_
    _-__-___-_ Jun 28, 2015

    the cmp times the injection.
    but the ecu uses CMP to time ignition.
    the ignitor is output signal from ECU
    the CMP and CKP are inputs. that do all timing bases. FYI.

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  • Geo Master
  • 20,706 Answers

No car stated,
no year,stated
no engine option and need help?
Geo's can be suzuki, Isuzu or toyota's , actual.
Tracker, PRIZM,STORM , METRO? what?

WHAT GEO?

Posted on Apr 23, 2015

  • Anonymous Jul 05, 2015

    sounds like loss of 12vdc power to all major EFI and SPark system to me... use a voltmeter to check battery voltage yet?

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  • Geo Master
  • 2,899 Answers

Check the main relay and fuse.

Posted on Apr 22, 2015

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  • Contributor
  • 13 Answers

Check voltage from your fuse block to the associated systems.

Posted on Feb 09, 2014

6 Suggested Answers

6ya6ya
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Posted on Jan 02, 2017

  • 16 Answers

SOURCE: s10 pickup after warming up truck starts missing

You might have computer problems.

Does the check engine light come on when it starts to miss?


Posted on Nov 30, 2008

frcs68
  • 1605 Answers

SOURCE: Distributor wont spark

check the fuseble link.
you can measure it, and make sure the contact are clean and secured.
the other thing is the check the ignition switch, make sure you have 12v going to the switch.
check thermo switch on top of the block.

Posted on May 21, 2009

  • 167 Answers

SOURCE: 1988 Jeep Cherokee 5 liter motor straight 6.

At the age of you Jeep I would be looking at a worn ignition switch (The part that turns when you turn the key).They wear out causing a very intermitant connection some times it works and some times it doesn't ,Going over a small bump in the road is often enough to break the connection causing the engine to stop.
Start the engine and try gently wiggling the key and see if it dies.....
Hope this helps.

Posted on Jul 21, 2009

  • 1608 Answers

SOURCE: engine miss,replaced fuel

Do a compression test and make sure it is not a mechanical problem.Could be burnt valve,bad cam,or broken valve spring.If you know which cylinder is missing pull the valve cover and check the valves and see if they are all moving up and down evenly when you turn the motor over.Just disable the vehicle from starting or you can do it with it running.Hope this helps.Good luck.

Posted on Feb 18, 2010

  • 4793 Answers

SOURCE: cranks but won't start like it has no gas

did you reset the alarm/immobiliser system every time the power was disconnected???

Posted on May 21, 2010

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1 Answer

Missing problem


Missing problem requires to check the following systems and components:
1. Fuel system. (Fuel pump, fuel filter, fuel injectors).
2. Ignition system. (Spark plugs, spark plug cords or wires, ignition coil, distributor (cars with distributor type ignition system, rotor, distributor cap, ignition amplifier), Coils On Plugs (COP) and correct sequence of the spark plug wires and or Igniter connectors.
3. Air leakage in the intake manifold.
4. Detached vacuum hose.
5. PCV Valve.
6. Servo brake booster pipe or diaphragm.
7. Valve clearance.
8. Cylinder compression.
9. Contaminated fuel.
10 . ECM.

Oct 06, 2013 | Toyota Corolla Cars & Trucks

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

I have a 98 honda accord 5 spd it has a 4cyl motor vtech i just need to know how to fix a miss fire in cylinder 2 and wich one is cylinder 2


Cylinder #2 is the the second spark plug counting from the right to left.
EX.Below are spark plug on engine
engine
-------------------------------
' (oil cap) '
' (4) (3) (2) (1) '
'_________________'

Your misfire can be cause by couple of things but the cheapest way that you can try to fix your car is to do a tune up by replacing:
1)all spark plugs
2)do a oil change
3)spark plug wires
3)distributor cap and rotor

note misfire can be cause by:
1.bad gas
2.spark plug and/or wire
3.distributor cap and/or rotor
4.valve adjustment
5.injector
6.off timing
7.ECM
8.bad wiring(power, ground or feed line)

Jul 08, 2011 | 1998 Honda Accord

2 Answers

96 jeep grand cherokee no start. Has no spark, replaced coil, still has no spark. fuses and relays in power distribution all good, also fuses in cab all good. no codes in ecm. plug at coil has...


the crankshaft position sensor located between flywheel and trans is where the power source for the coil comes from. I suggest you need change that

Sep 09, 2010 | 1997 Jeep Grand Cherokee

2 Answers

My truck is extremely sluggish and when reved up it has several misses. The sluggish, n the standard, is at the beginning of the gear..at the end of the gear it gains its power or fuel. Where or what is...


IF YOU GOT GAS ENGINE.PROBLEM COULD BE STOPPED UP FUEL FILTER OR WEAK FUEL PUMP.LOW ENGINE COMPRESSION.BAD SPARK PLUG + WIRES + ROTOR AND CAP ALSO BAD COIL CAUSING WEAK SPARK.IF YOU HAVE DIESEL ENGINE SLUGGISH.PROBLEM COULD BE RESTRICTED AIR FILTER DIESEL.INJECTION PUMP TIMING OUT OF ADJUSTMENT.FAULTY EGR AND EPR VALVES.RESTRICTED EXHAUST SYSTEM STOPPED UP MUFFLER PLUGGED FUEL FILTER.PLUGGED FUEL TANK DUE TO FAULTY FUEL CAP.MISSING PROBLEM COULD BE CAUSED BY DIRTY OR FAULTY INJECTORS. THE INJECTION PUMP TIMING OFF. AIR IN FUEL.OR FUEL RETURN SYSTEM RESTRICTED.STOPPED UP FUEL FILTER.OR USING INCORRECT FUEL OR ITS CONTAMINATED.

Apr 12, 2010 | 1989 Chevrolet C1500

3 Answers

No spark installed new coil and had mogel for the distibutor checked


Check fuses relays and ground wires. The check inside the distributor cap and make sure the piece the rotor inside distributor is clean of oil and the area below hall effect is dry and without oil.The piece down below is also a item that can effect it from firing.it is a magneto and it controls the firing and fuel by sending signals to the ecm. If you check the above without finding an issue the best thing to do is see if you can borrow a scan tool to get any codes that could be helpful with diagnosing. Im sorry if this isnt exact help but it is trail and elimination that fixes issues like this instead of just replaceing parts.

Oct 03, 2009 | 1995 Ford Taurus

1 Answer

Bogging while heavy accelration.


vacuum advance working ? do manuel check with cap and rotor button off and see if it's moving. chris

May 08, 2009 | Mitsubishi Diamante Cars & Trucks

2 Answers

No fuel to carburetor/no spark to plugs


it could be the ecm"computer" that can cause know spark and know gas at the same time.

Jul 18, 2008 | 1985 Chevrolet El Camino

2 Answers

93 chevy g20 van


More than likely it's the distributor. They have a tendency to build up corrosion and rust and have personally went through the same situation three weeks ago on a suburban. Check to see if you are getting spark from the distributor first. Have the ecm in the distributor checked at Oriellys for free. It's under the rotor and has two 8mm head bolts with wires plugged in at each end.

Jun 22, 2008 | 1993 Chevrolet S-10 Blazer

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