Tune-Up Specifications

1994 Plymouth Laser FWD L4-1997cc 2.0L DOHCSECTION Tune-Up Specifications
Engine
Liter 2.0L
VIN Code E

Spark Plug Gap 0.041

Ignition Timing °BTDC

Fig. C:




Firing Order [04] As shown
Man. Trans. 5 [07], [11]
Auto. Trans. 5 [07], [11]

Fig. B:




Mark As shown

Curb Idle Speed, RPM
Man. Trans. 750
Auto Trans. 750N

Fast Idle Speed, RPM
Man. Trans. [02]
Auto. Trans. [02]

Fuel Pump Pressure, psi. 47-50 [09]
Valve Clearance, inch [13]


BTDC: Before Top Dead Center
N: Neutral

[01] -- The eighth digit of the Vehicle Identification Number (VIN) denotes engine code.
[02] -- Controlled by the idle air control motor.
[04] -- Before disconnecting wires from distributor cap, determine location of No. 1 wire in cap, as distributor position may have been altered from that shown at the end of this chart.
[07] -- At 750 RPM.
[09] -- Disconnect fuel pump electrical connector, located at fuel tank. Start engine & operate until it stalls. Disconnect battery ground cable, then reconnect fuel pump electrical connector. Place shop towels around fuel high pressure hose at fuel delivery pipe side, then disconnect hose. Install suitable fuel pressure gauge between fuel delivery pipe & high pressure hose. Disconnect & plug vacuum hose from fuel pressure regulator. Connect battery ground cable & inspect fuel pressure with engine idling.

Fig. D:





[11] -- With jumper wire connected between ignition timing adjustment connector & ground. As shown
[13] -- Equipped with hydraulic lash adjusters. No periodic adjustment is needed.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.