Having problems with your 1992 Mercury Topaz ?

My 92 topaz doesn't start, so i replaced the battery, fuel filter and fuel pump and it still wont start. it has enough gas and the fuel shut off switch is pushed in good. the day it broke down i just drove it on lunch like 3 hours before. the engine turns over but that's all. it sounds like it wants to start but it just can't. it's good on oil also.

Posted / edited by AnonymousUser on : 23-05-2022

Answers :

Hello Friend:
\015\012 Make sure your Fuel is getting to The Throttle Body,You should beable to take a Flash Light as Some else turns the Engine Over.
\015\012You could have a Faulty Fuel Relay Check it out.Before Continuing.
\015\012#1) Ok if your Positive you are getting fuel then Lets Check to See if you are getting Good Hot Spark.
\015\012#2) Check your Coil wire to see if you are getting a Spark From the Coil: Use Instalated Spark Plug Pliers to Hold the Wire from the Coil close to Any Good Ground.Engine Manifold Bracket Ect!
\015\012 CAUTION: Make sure you don't put it anywhere even close to Fuel the Spark will Egnite it.
\015\012#3) Next if your gewtting Spark from Coil Check your Distributor Cap & Rotor.Take Cap off and Look inside and Outside for even the Slightest Cracks of The rotor is Damaged.Also check for Corrosion in the Wire Sockets, Oxidized Bluish Green normally.
\015\012#4) If thats All God Now Check to see if your Getting Spark to your Spark Plugs By pulling the spark Plug wire off 1 at a Time and use the same tool so you don't get Shocked and As its Being Cranked Hold it also close to Exhaust Manifold or other good Ground.
\015\012#5) If your Getting good Spark from the Plug Wires then Pull your Spark Plugs check them for Fould Conditions,Oil, (Black) Fuel Fouled Smell the Plug you'll smell Gas Big Time if its not being Firing.
\015\0126) If you've been getting fuel and a No Start Your Plugs are Fouled Just Change Your Spark Plugs.
\015\012 #7) If it does'nt Start now, It almost has to be your Throttle Position Sensor or Fuel Injector Pressure Regulator.
\015\012 I Hope i've given you the Help you needed let me Know by Voting for the Quality of Help i've Given.
\015\012 Thanks for Using FIXYA From: d_hubbs
Repair Help & Product Troubleshooting for 1992 Mercury Topaz

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