Question about 1994 Toyota Camry

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The car runs ok for one or two days ,then afther being parked for some hours it wont start, it cranks and have spark ,but wont run,then afther six or more hours it will run again,the ceck engine light comes on some times and goes afther a short drive,any clues ..thanks Cando 1...

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Had one of these drive me crazy. That one was the fuel pump. Pumped OK, but let the pressure back into the tank and let air into the fuel rail. Once engine had cooled,the pump purged the air out of system. Have someone check the fuel pressure when it does not start. If check valve is bad,there will be lots of air in the fuel rail. Second most likely cause is crank sensor going bad.It becomes heat sensitive on the way out.

Posted on Jul 24, 2009

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The fuel pump is bad. change that out and get a new fuel filter too. this should fix the problem

Posted on Jul 27, 2009

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Riding mower wont crank even after a need battery and ignition switch was put on.


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Sep 10, 2013 | 1998 Acura RL

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I haved a 1989 Buick Park Avenue 3.8 engine...I have replaced the starter, coil pack, ignition module, crank sensor and cam sensor and still cannot get it to fire...I really NEED this car to run so PLEASE...


ok ! did you mean its got spark but does not start. if spark but does not start. check to see if its getting fuel to engine. remove air hose from throttle body and spray some starting fluid in throttle body, open throttle plate and spray some in. if car starts then stops, its a fuel problem. if no spark check the harmonic balancer on engine to see if its loose, the 3.8 engine have a crank position sensor that runs off the balancer. the rubber starts wearing out and the balancer start flopping around. and the timing gets massed up. good-day ! type in on pc browser ignition switch symtoms, and a list of things will come up. for a ignition switch controls over 50% of voltage for vehicle. good-day !

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1 Answer

Our 2001 Galant will not start.


The fuel filter is possible but not probable. Questions to ask yourself: Was the car running of before failure (meaning was it running ok until you went to start it the next day?) If it died overnight or after parking it for a few hours I'd say no not the filter. Does it have spark? If yes then ok, if not probably a sensor (crank sensor / cam sensor failed) Does it get fuel? Crank it over for five seconds or so and check to see if plugs are wet. If no it may be a sensor or failed fuel pump or fuel pump relay.

Please let me know what you find.

Thanks,
Tom

Jun 06, 2010 | 2001 Mitsubishi Galant

1 Answer

Engine turns over, won't start, no fire at plugs. There's plenty of fuel, and no fire from any of the plugs. All fuses and fusible links are good. I pulled the plugs to check for a spark, and there's no...


What are you wondering is correct. Let check the coil first. if coil is good the there is a problem with the ignition module. If the ignition module is good then a problem with the crankshaft sensor. The coil can be checked by measure resistance of the terminals of the primary coil and secondary coil separately to see if it open. To check if it can generate a spark, once you identify the primary coil terminal, run 12 V wire to these terminal, connect a spark plug to the secondary coil, by just leaving a spark plug with connected with spark plug wire and let it touch the engine chassis. Now you have to make pulses at the 12 volts connection by making a break and connection several time to turn it on and off to generate the spark at spark plug. The ignition module is supposed to do what you are doing now to generate the spark. If it is bad, it can't do what you did then a spark is not generated. For the crankshaft sensor, only the shop can tell you it is bad or not. Good luck.

Nov 14, 2009 | 1995 Honda Civic

1 Answer

97 Tarus wont start


recheck spark by putting a plug into one of the plug wires and place on valve cover, crank engine and see saprk in that plug. check fuel pressure during cranking to verify fuel supply. If you have no fuel pressure check fuses and fuel pump relay, in fuse box and power distribution box under the hood. If all are good check for power at the fuel pump connector with the key in start position, in run position the power will only be there for about 5 seconds, you are correct with fuel and spark it should run, let me know what you find

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2 Answers

Will start up run for awhile then stall and wont restart


Hello, I would start with a general tune up. Spark plugs and wires, Fuel Filter, Oil Change and Filter Change, Air Filter Change, Some injector cleaner would not hurt eirther. Be sure to lubricate your high mileage car and also use a farily good oil for your motor as well. The run for awhile problem sounds like bad spark plugs. I would change your spark plugs, wires, distributor cap, and rotarty button.

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