Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSPLYMOUTH1984HORIZON BASE, 1.6 AREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 7 (ENGINE CONTROLS - TESTS W/CODES - 2.2L)VERIFICATION TESTSVERIFICATION PROCEDURE VER-1
1984 Plymouth Horizon Base, 1.6 A
Verification Procedure VER-1
1984 Plymouth Horizon Base, 1.6 ASECTION Verification Procedure VER-1
WARNING: This page is about a different car, the 1994 Plymouth Sundance and 1994 Dodge Shadow. However, it is still accessible from the selected car via links, so may be relevant.
- Inspect vehicle to ensure all engine components are connected. Reassemble and reconnect components as necessary. Inspect engine oil for fuel contamination. Change oil and filter if necessary. Attempt to start engine.
- If engine does not start, check if any TECH SERVICE BULLETINS (TSBs) apply to vehicle and return to TEST TC-1A , if necessary.
- If engine starts and Powertrain Control Module (PCM) was changed, connect DRB to engine diagnostic connector and erase trouble codes. Repair is complete.
- If engine starts and PCM was not changed, connect DRB to engine diagnostic connector and erase trouble codes. Repair is complete.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.