Question about 1999 Pontiac Sunfire

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Engine light is on

Hi, engine light is on, sometimes flashes, the engine shutters at low speed and stops. Just replaced plugs, wires and coils.

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To get any diagnostic you need to beg borrow steal or buy a reader and get the actual error code. could be any of several fuel/air/o2 sensors. the light just tells you that the computer cant read something, not what the 'something' is

Posted on Jun 06, 2008

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P0303 Flashing Service Engine Light when driving


The code means a misfire on #3 cylinder .i would change the spark pluges wires if it has any.may also be a bad coil or coil pack.


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P1310 Error on 1999 Corolla, Engine Dying


Hi there:
There are two ignition coils mounted at the end of the cylinder head, the DTC O1310 indicates a malfunction of coil #2, it connects to cylinders 2 and 3, this coil should be replaced. The cylinders are numbered 1-4 starting at the front of the engine.


Visit HERE diagnotcis procedure.

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OBD code P0320


HI there code P0320 is ignition-distributor engine speed input circuit malfunction .
IS your Engine Light ON or Service Engine Soon Warning Light if so check for lose wire connections
At Crank Position Sensors =if OK
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I have a 2005 Ford Focus ZX4 ST. I have less than 73k miles on it. Have never had any issues with it. Perform all the regular maintenance at required intervals. About a month ago the check engine light...


I would start with plug wires rubbing on something and created a short.and is not compleatly worn through. a cheep place to start. good luck with it.

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Trouble code P0320 ignition/dist. engine speed input circuit


P0320 - Ignition / distributor engine speed circuit malfunction

The ignition engine speed sensor input signal to Powertrain Control Module (PCM) or Electronic Control Module (ECM) is continuously monitored. The test fails when the signal indicates that 2 successive erratic profile ignition pickup (PIP) pulses occurred.

Symptoms:
- Engine Light ON (or Service Engine Soon Warning Light)
- Lack/Loss of Power
- The engine may be harder to start
- The engine may stumble or stall

When is the code detected?
The P0320 code is triggered when 2 successive erratic PIP pulses are detected.

Possible Causes:
- Loose wires/connectors
- Faulty Crank Position Sensors
- Arcing secondary ignition components (coil, wires and plugs)
- Low battery charge
- Powertrain Control Module

Possible Solutions:
- Resecure loose wire or connectors
- If battery charge is low, recharge or replaced battery
- Replaced crank position sensor
- Replaced starter motor


Test it and tell us news.

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Hi, my first recommendation would be to take the plugs out and visually inspect each one and check to make sure they are properly gapped, if they look fouled at all i would replace them without hesitation. try throwing a set of NGK plugs in the car to fix the misfires. other than that you may want to look at the wires. good luck joe

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1 Answer

2002 Land Rover Discovery starts but idles rough. accelerates but bucks at cruising speed. solid service engine light at a stop. flashing service engine light when moving....it feels like it's loading...


BAD spark! check plugs wires and coil packs. the wires are a real pain to replace because of the location of the coil packs between the intake manifold and firewall.

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1 Answer

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what kind of engine do you have? if it is the 2.o F.S.I your crank case breather valve can be acting up on you and will cause these concerns. If you have a 1.8t check the wire harness going to you coils look for cracks in your harness the ground wire if you see copper that is you problem will need to get ignition coil wire harness and cut and splice in new wire harness

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Most auto parts stores will scan the engine codes free or allow you to use theirs on site. Scan the code and post it back here for additional help.

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3 Answers

Engine shutter


try by replacing the spark plugs and the plug wires and add some injector cleaner to the fuel tank

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