1998 Plymouth Voyager Loss of power, 2 days after timing be

Tiny
CHOOSYMOTHER
  • MEMBER
  • 1998 PLYMOUTH VOYAGER
Engine Mechanical problem
1998 Plymouth Voyager 6 cyl 148, 00 miles

Hi,

I'm trying to help a friend here.

The timing belt broke in her '98 Plymouth Voyager V-6 at 148,000 mi.

She had it fixed by a local mechanic and it worked fine for two days.

Then, I was driving it on the highway, and the check engine light started to blink and I detected a definite loss of power.

I continued my trip, having trouble getting up hills and up to speed, stalling out at traffic lights.

I brought it to an AutoZ, and they plugged the computer in and it came up "random misfire", replace plugs, wires, etc.

I took it back to the local mechanic and he said that his timing belt fix was definitely good. He recommends changing the plugs, etc.

I took it to the mechanic where I work and he says it sounds like something is restricting the exhaust and suggests that I open up the exhaust before the Catylitic Converter and see how it runs, but that's a little too much work for me.

I was wondering if anyone here has inside knowledge into problems with this model vehical, or any other insights. Like, could the timing belt have jumped a notch, after two days?

I feel obligated to help her because she lives across the country but has a house here in Georgia and lets me use her van when she's not around. She doesn't blame me for the breakdowns, but I am the "gal in the trenches", kinda, and am trying to figure this out while spending a minimum of money!

haha,

thanks, sorry I"m so long winded, but I like to be thorough.

TIA.
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Saturday, August 29th, 2009 AT 12:40 PM

3 Replies

Tiny
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  • EXPERT
Hi there,

A random miss fire should not be related to the timing belt, if a belt is going to slip it wont stop at 1 tooth so I would fairly easily rule that one out, I would be concentrating on the engine tune items have this fully checked out first.

Mark (mhpautos)
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Saturday, August 29th, 2009 AT 12:45 PM
Tiny
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Can a mechanic diagnose the "tune up items" before he proceeds on everything, or are we looking at a Major Tuneup?

What about a clogged Catalytic Converter? Could that be checked through emissions, like at the local Precision Tune?

I did check the exhaust pipe at the back to make sure it hadn't been crushed or anything. Can I feel a blockage by how much exhaust is coming out?

Any way to diagnose before committing to major work?

Thank you for your time and expertise. I understand that eventually, this vehicle is going to have to go to mechanic for a hands-on diagnosis. I just don't want to get trapped into throwing good money after bad.

Thanks!
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Saturday, August 29th, 2009 AT 3:53 PM
Tiny
MHPAUTOS
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A faulty or a collapsed converter will restrict the exhaust flow, the restriction can vary, the most common sigh is that it over heats and can start to glow as it gets so hot, you can often tell if it is blocked as the car will be so flat to drive as the exhaust cant escape the excessive back pressure will bog th engine down. Part of doing any tune is running a diagnostic test, but this will depend on the quality of the equipment used, some will give a good overall picture of how the engine systems are working other just a basic run down, normally you would be doing all filters, plugs and checking the systems and then replace any faulty items as the present.

Mark (mhpautos)
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Saturday, August 29th, 2009 AT 8:14 PM

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