My car wouldn't accelerate, CEL came on

Asked by Feb 09, 2017 at 12:13 AM about the 2001 Hyundai XG300 4 Dr STD Sedan

Question type: Maintenance & Repair

My car started having some issues 5 days ago. The first sign of trouble was a
rattling noise coming from the engine. It sounded like an old diesel engine.
The frequency of the rattle would increase as the car accelerates. However,
there was no performance loss & the check engine light did not come on.

The next day, early in the morning, the car started normally (the rattle still
present). It drove normally for about 5 minutes. Then I had to drive up an
incline and the car stopped accelerating. It wouldn't drive past 3-5 mph even
on pressing the gas pedal. I immediately stopped the car and while I was
trying to figure out what happened, it started driving again normally. But I
immediately took it to the nearest auto shop. The following was the diagnosis:

1. Codes
P0320 - Ignition/Distributor Engine Speed Circuit Fault),
P1191 - Limp Home Valve System Fault,
P1193 - Limp Home valve on low RPM).
However, I had these codes for almost an year now and the car ran without
any problem. So, I am not sure if these have got to do with the current issue.

2. Vehicle needs:
a.) Timing Belt Service
b.) Tune Up (Ignition Wires Frayed by Rodents)
c.) Camshaft and Crank Sensor

All these are just guesstimates and they told me that in their opinion, its not
worth repairing the car as it is going to cost a lot of money. It seems even to
correctly diagnose the issue is going to be expensive. So, they told me to just
keep on driving till it dies. They said that apart from the rattling noise, which is
still present, the car is driveable. I have to mention here that I am a full time
student and I cannot afford expensive repairs.

I drove the car without any issues for 3 days. The rattling noise was present
but there wasn't any issue with the performance. But today, early in the
morning, the car again wouldn't accelerate after running normally for the first
3 minutes. This time, the check engine light came on and the car wouldn't
accelerate beyond 3-5 mph.

Just 2 months ago, I got 4 new tires, replaced the brakes and got a new
battery. So, I am sad that all that will go waste if I get rid of my car now.

My question is, looking at my symptoms, is there anyway to guess what
might the issue with my car? If I at least know how much is it going to fix it, i
can take a decision to whether fix it or not.

4 Answers

7,385

Ur better off looking for a used engine, specially if it's from a wrecked car. To do the repairs that u mentioned ur talking about 800 to 1200 bucks and who knows what else they find after taking it apart

1 of 1 people found this helpful.
100,345

That's right any rattling noise on a Hyundai is not good, plus you have 3 problems that can potentially leave you walking at any moment, the timing belt and the cam and crank sensors, but no matter what you do it is going to be costly. And then judging by the codes you have a fault in the limp on mode system, and that is what is kicking in and drops you to such a low speed bit due to a circuit problem there is no way to know when it will kick in. So then there will be additional costs there after you get the engine straightened out. It's just not worth putting any money into.

2 of 2 people found this helpful.
Best Answer Mark helpful

Thank you very much for your replies! Really appreciate it!

100,345

Thank you for the best answer points.

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