Q: my grand am will not start it has different kind of spark plugs will that make a no start on the car

asked by on July 18, 2016

friends car car was running okay he decided to change spark plugs and problems started he has different kind of spark plugs it has a delco , auto light, and denso and we don't have any codes on it... it will crank but no start it has spark and fuel pressure about 45 psi we were thinking maybe the no start was because of spark plugs ? if we spray throttle cleaner the car will start and will run fine and will start again when the car is warm without spray.. come back in the morning and it will not start does not have security light on what do you think we check more on it or have you have something like this happen ....hoping you can help us thanks Art
My car has an automatic transmission.

The statements expressed above are only for informational purposes and should be independently verified. Please see our terms of service for more details

Get an instant quote for your car

Our certified mechanics come to you ・Backed by 12-month, 12,000-mile guarantee・Fair and transparent pricing


Experienced Mechanic?

Earn up to $70/hr

What others are asking

What should I know about changing a tire with the TPMS system?
Flat tires happen. That’s why your Accord has a spare tire. You also have a tire pressure monitoring system (TPMS) that monitors the air pressure in each tire. If it sees a drop in pressure, it turns on the Low...
How do I program a remote keyless entry (RKE) transmitter when I have a recognized transmitter?
Programming a new remote keyless entry (RKE) transmitter is easy when you already have a recognized transmitter. Just follow these steps carefully: Gather all of the transmitters – the new ones, and the already programmed one – so that they’re...
Speedometer not working correctly
Your assumption sounds about right, either the sensor and or the cable are sending some mixed signals to the dash and it doesn't know what to do with it. Have a certified mechanic take a look at your speedometer components...
Signal lights quit working, shifter can't move
Hi. We will be happy to assist you. More than likely the wiring inside of the fuse box specifically the connectors where the fuses were blown have lost contact or melted. This is very common on your make and model of...
Shifter loose transmission stuck 1992 Ford F150
Hi there - unhook the shifter from the transmission lever, and try to move the transmission lever to the Park position. If this is successful, start working your way back towards the shift lever on the column. Re-connect the cable...
my car feels like it wants to stall when I have to stop at lights
Hi there. You may have a dirty or failing idle air control valve. The idle air control valve reads the air intake as it is mixed with fuel prior to being injected into the engine at low speeds and at...
Car gets stuck in park and won't start SOMETIMES. Hear one click upon starting but starts working after a few times.
The shift interlock and the intermittent starting issue are likely separate issues. However, the brake light issue may be related to the shift interlock problem as the circuitry and components are common. The intermittent starting is relatively easy to diagnose....
My car shakes when I accelerate, but tires are not the problem.
Hi Tysiah. Thanks for contacting us tonight. A vibration like you are describing can be very difficult to isolate, especially if the wheels, tires and suspension have all been verified as being OK. Sometimes, issues like you have described can...

Related articles

How Often Do Spark Plug Wires Need to Be Changed?
Spark plugs provide the electricity necessary for combustion to happen by igniting atomized fuel in an engine's cylinders. However, they need a...
How to Buy Good Quality Spark Plugs
Sparks Sparks make everything happen! Without spark plugs, your vehicle would never be able to kick off combustion, providing the necessary power to make your car go forward. If your engine is starting to misbehave, by either stalling, lurching, or...
How to Check Spark Plug Wires
Car engines that have a distributor or remote coil pack have spark plug wires that transfer the spark from the coil to the spark plug.