Question about 1989 Mercury Topaz

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1989 mercury topaz

Car will start with help of starting fluid . Its been sitting up and guy I bought it from says he had a new fuel pump put in . I put new plugs in . It will run with starting fluid but stalls as soon at you touch the throttle. I does not smoke and burns clean. I drained it and put new gas in it and it does the same thing. I took off upper intake to look at all injectors work while I had someone crank the car. I think it might be the throttle position sensor or the distributor . What do you think? I hate to order the wrong parts. I hope I will hear from someone who had the same symptoms.

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  • sonny428 Jan 18, 2009

    I have the same problem. Car drove fine then wouldn't restart. Sat for three weeks and started fine, so I drove it home. Started and stopped it lots and then it suddenly did the same thing. It's getting spark and I think I smell gas, so I'm checking the inertia switch tomorrow, and working my way from there. It sounds like my truck when that gets triggered- turns and turns but won't catch. You let me know and I'll let you know! PS Sounds like a very common problem for our year Topaz, and it's never the fuel pump??

  • jvhburns Mar 21, 2009

    Can anyone tell me how to locate the fuel pump relay and the inertial switch on a 1989 Mercury Topaz?



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Listen carefuly fir buzzing when you turn the key on. The fuel pump should run for 2 seconds. Then it should rin during crabking. if the car starts with starting fluid, it tells me the fuel pump is not running. Cause - bad pump, bad fuel pump relay (left side of Instrument panel), or tripped inertia switch in trunk.

Posted on Feb 28, 2009


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