if its equiped with coil pack look at coil pack (it should be numbered) and trace the sparkplug wire back to the cylinder. If not try about.com and it should be able to give you firing order
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On a 1998 Mercury Grand Marquis :
The engine cylinder locations are numbered :
firewall
4 - 8
3 - 7
2 - 6
1 - 5
front of vehicle
FIREWALL 4 - 8 3 - 7 2 - 6 1 - 5 FRONT
The thermostat on a 2000 Pontiac Grand Am 2.4 liter 4 cylinder is located on the side of the engine. It can be found by following the upper radiator hose.
which is cylinder number two on gmc envoy 5.3 litre
The correct firing order for a 1983 Pontiac Grand Prix with a 3.8 liter engine is 1-6-5-4-3-2. The distributor rotates clockwise The number 1 cylinder is the front right followed by 3 and 5. The number 2 cylinder is the front left followed by 4 and 6.
Inline.
The front, driver's side cylinder is the number one.
The 3.0 liter V-6 engine number three cylinder is on the left hand side of the engine. The number three cylinder will be the middle cylinder.
The 2.4 liter four cylinder engine in a 2000 Pontiac Grand Am has a timing CHAIN
Where is idle air control valve located on 2003 Pontiac Grand Prix GT, 3.8 liter 6 cylinder?
Passenger side second cylinder from the front.
The number 7 cylinder is on the driver side of the engine. It is the next to last cylinder towards the firewall.
.060 per Napa