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If the timing is off by a few degrees the engine can start but will run rough. More than a few (depending on the engine) it will not start.

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What causes your car to backfire when you try to start it and will not start?

The timing of the engine is off or the spark plug wires have been hooked up incorrectly.


What is the timing for a 91 astro van?

Timing is 0 degrees. To do this you must disconnect the single wire connector near this distributor. It is a TAN with a BLACK stripe. Start Engine, the check engine light will be on this is OK you will clear it in the next step. Set TIMING to 0 degrees. Then turn off ignition and disconnect the battery for 1 minute this will clear the check engine light. Reconnect the TAN with Black Stripe wire connector. now reconnect the battery. Start your engine. That's it your done.


What is cold advance start?

If I understand your question properly I think you're referring to the engine timing. (when the spark plugs fire in relation to the rotation of the engine) When the temperature sensors on the car sense the engine is cold it will advance the timing of the engine to keep it from stalling out.


Put in new cam and lifters now your truck will not start?

timing off


How do you check ignition timing in a car that turns over but won't start?

If it doesn't start, there's no way you can do it with a timing gun or any electronic device. If you suspect the car is not starting because the timing is off, you can set #1 piston at Top Dead Center and remove the distributor cap to see if the rotor is pointing to the #1 spark plug wire tower. If the rotor does not point directly at the #1 tower, loosen the distributor hold-down just enough to manually rotate the distributor until the rotor and #1 tower line up and try to start the engine - the procedure described sets the timing close enough so that the engine will start. From there you can proceed to set the timing with a timing gun or other electronic device. For lack of such equipment, and for temporary service, you can slowly rotate the distributor in both directions until you get the best "purr" of the engine.

Related Questions

Will an engine crank if the timing is off?

In most cases, yes. Especially with older engines (pre 1980), the engine will crank, but it may not fire. If the engine does start with the timing off slightly, it will run rough.


Engine cranks but wont start backfires through throttlebody?

Valve timing off, timing chain jump.


Why does car not start after timing belt has slipped on vauxhall astra mk4?

If this engine is an interference engine it may have done damage to valve, piston, or head. Or the timing is off so far that the engine will not start. Install a new timing belt correctly and start the engine. You will then know if any damage was done.


I had to change main drive belt on 98 ford escort and now the engine turns over but will not start i know that it is getting spark and fuel but car will not start could it be that the timing is off?

yes your timing is off


What causes your car to backfire when you try to start it and will not start?

The timing of the engine is off or the spark plug wires have been hooked up incorrectly.


What happens to a dodge neon if the timing belt is not install correctly?

Depending on how far off, runs rough, check engine light, no start, engine damage.........


Where the water pump on 98 dodge avenger?

Inside the belt side of the engine. It runs off of the timing belt.Inside the belt side of the engine. It runs off of the timing belt.


Set timing on a Volvo 240?

To set the timing on a Volvo 240, first, ensure the engine is at operating temperature and then turn off the engine. Locate the timing mark on the crankshaft pulley and the timing pointer on the engine block. Start the engine and use a timing light to check the timing; adjust the distributor as necessary to align the timing mark with the specified degree (usually 12-16 degrees BTDC for the B230F engine). Finally, tighten the distributor hold-down bolt and recheck the timing to ensure it remains accurate.


My engine turns over but wont start. When it did start the engine will run for like twenty seconds then it would shut off. Does my timing chain need to be replaced or does the timing need adjustment?

Well, if it ran smooth for the 20 seconds then timing has nothing to do with it. Sounds like a fuel shortage. Have the pump checked, and also the filter.


What happens when you try to start car and timing is off?

When you try to start a car with the timing off, the engine may not fire properly, leading to rough idling or failure to start altogether. The misalignment can cause the spark plugs to ignite the fuel-air mixture at the wrong time, resulting in backfiring, poor performance, or engine damage. Additionally, it can lead to increased exhaust emissions and potential damage to engine components if not addressed.


How do you set timing on 2C Turbo diesel engine?

To start timing on the 2C Turbo diesel engine, you will have to locate or distinguish camshaft timing marks.


How do you set timing on a oldsmoblie delta 88?

To set the timing on an Oldsmobile Delta 88, first ensure the engine is at operating temperature and then turn off the engine. Locate the timing mark on the harmonic balancer and the timing tab on the engine. Using a timing light, connect it to the battery and number one spark plug wire, then start the engine. Adjust the distributor until the timing mark aligns with the specified degree on the timing tab, usually indicated in the vehicle's service manual.