20 Most Recent
1999 GMC Jimmy Questions & Answers
My 99 Gmc jimmy will not start. the fuel pump is
Does it crank or not? If no crank then look at the starter or ignition switch. If crank but no start then look at the ignition system. Check for spark at the plugs and also check the fuel pressure. If there is spark try spraying a little starting fluid into the intake. See if it starts and stays running. If it stays running reply back and I will explain why.
99 gmc jimmy, been running okay till a few days
Listen for the fuel pump prime cycle.
Have someone listen back by the gas tank....turn the key after it has been off for at least 10 seconds to run position....you should hear a WHIRRRR for about a second or 2.
If it is silent....you may need a fuel pump.
Next give it a shot of starter fluid...if it starts on that...you indeed have a fuel problem.No start....no spark.
If no start and you did hear a pump cycle....then it's most likely a no spark problem.......a common cause is the crank sensor and/or ignition module.
Is about my 1999 gmc jimmy 4x4 sl 4.3 l v6
or no -put a socket and ratchet on crank and try moving should move ====timing chain is behind cover behind crankshaft pulley and accessories front middle of block ====dont know your skill level tools or condition of vehicle to most dropping oil pan without proper tools can be extremely difficult buy a repair manual or online search for repair videos pertaining to what you are trying to repair
99 gmc jimmy wont start
it sounds like a neutral safety switch try wiggling on the steering wheel or the gear shifter while trying to start it
What and where is the servos
- A servo is a mechanism, usually a motor of some sort, that drives another mechanism. On a passenger aeroplane, for example, the control surfaces are too difficult for the pilot to operate because there is so much wind pressure against them, so they use hydraulic servos to move the elevator, flaps etc.
- On a car, the drive by wire throttle control is a servo, which is electronically controlled by the computer, depending on the throttle position under the driver's foot.
- In effect, the power steering ram on a car is also a servo, which is powered by the p/s pump, and controlled by the valves in the steering column.
- On a smaller scale, the air conditioner has servos that open and close the relevant air duct flaps when the dashboard controls are shifted to control the flow of air in the car. Please note that on older cars, and some new ones, these flaps are not controlled by servos but by cables.
- The remote controlled central locking on a car has servos in the doors that open and close the door locks when the remote button is pressed. On some cars these door lock servos are small electric motors, on others they use vacuum operated pistons, also called servos.
- Hope this answers your question!
Whats a servo ?
- a servo is a small motor utilized to move a component electrically.
Headlights dont work
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