Question about 2002 Chevrolet TrailBlazer

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I put a used computer in it and now it won't start

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The computer you installed has to be programed for your vehicle,even if you install one out of the exact same type in will need to be reprogramed to work in your's

Posted on Nov 14, 2010

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Posted on Jan 02, 2017

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I have a 95 Toyota Tacoma 4x4 and It will not start without putting some fuel into the throttle body. Once started it will run. But when you let it stand and cool off it won t start again. I have replaced...


The way you describe this problem the cause seems to be in the fuel system losing pressure. But even then, if you crank long enough it should start. Check your fuel pressure. It may be useful to check your fuel filter.

Mar 18, 2015 | 1995 Toyota Tacoma

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I have a 98 dodge durango, it is getting fuel and spark, it turns over but won't start


reset system. Try disconnecting vehicle's battery for 30 minutes, and then try again.

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So I changed the oil in my friend car and she has really high mileage on it so I put 10W-30 in it for high mileage an now it won't start can you help me out please


I would suggest a full synthetic oil, next time & stay with 5W-30
That will be better on start up

I have no idea why it won't start after only changing the oil

I think that was just a coincidence

I just installed a new throttle body ,because the motor has
acted up for 7 months & unknown the battery was failing
as I was diagnosing some odd behaveour

I was using professional scan tool software & when that
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May 23, 2012 | 1997 Chevrolet Lumina

1 Answer

97 gmc jimmy cranks but won't start, have replaced everything possible but still won't start, most of the time the brake lights won't work, or the gauges goes crazy. I have changed relays,...


There are two basic reasons for not starting - no spark or no fuel, both of which are controlled by the ECM. You need to check error codes and these items - for the spark, test it at the cylinder 1 sparkplug; for the fuel check the pressure (if too high or low, problem!).

Aug 28, 2017 | 1997 GMC Jimmy

1 Answer

Won't start


Start with what is missing to start the engine
Do you have fuel pressure?
Do you have spark?
Is the valve timing ok?

Feb 22, 2012 | 1987 Chevrolet S-10 Pickup

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My 2006 volvo s40 won't start and the key (remote) does not work. Had to use regular key to open the door. alarm still on and car won't start.


I had the same problem when my battery went flat and tried to use jumper cables connected to another vehicles battery. I called Volvo and they said I need to disconnect the battery terminal to reset the computer. After re-conecting it the remote control worked again and I was able to jump start the car. Maybe your car's computer went into a similar state.

Aug 20, 2011 | 2006 Volvo S40

1 Answer

Cranks but won't start put in new


It may be the crankshaft sensor.Some cars use sensors that "watch" the crankshaft.When you turn over the car the sensor sees the crankshaft moving and tells the computer to send fuel,spark,etc. I am not real keen on your particular car but it sounds like this may be your problem.

Jan 29, 2010 | 1991 Plymouth Laser

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