Solved: Car Stalls When Accelerating

Showing posts with label Car Stalls When Accelerating. Show all posts

Monday, January 21, 2013

2007 Jeep Grand Cherokee Stalls And Cuts Out While Driving

Jeep Starts Runs then Stalls and Cuts Out

The Vehicle starts and runs fine but immediately stalls and cuts out, these continues.

If i turn off the vehicle ans start again then it starts fine but same problem continues .....................

A very common issue is causing these problem.

Your vehicle needs proper servicing, and without forget get your fuel system parts inspected and replace the weak parts.

If the fuel filter is not replaced from long time then without fail replace it.

On many of such same cases i have seen faulty fuel filter causing it.

Replacing the fuel filter is very much advisable if you don't know how long that one has been in, generally fuel filter should be replaced roughly every other oil change.

If you see check engine light coming up on dash then without fail get your vehicle scanned to retrieve the error codes stored in engine computer module.Then will help for further diagnosis.

If there are no fault codes let's start with replacing fuel filter and see how it does.

Why i suggest replacing fuel filter is because , if the filter is plugging then it can drop fuel pressure enough to lose power or kill the engine. And these is what you are noticing on your vehicle.

These details will help.

Thanks.

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Wednesday, May 30, 2012

1993 Pontiac Firebird V8: Very slow to Accelerate?

Common complain on these engine models.

Its a old model car.

There are few tests and inspection necessary to confirm the fault causing the problem.

On 1993 Firebird formula didnt have alot of get up and go to begin with. Although the 6sp manual transmission version did have a top speed of around 150mph, the 1/4 mile time is only 14.9 seconds, which is not very fast. It only has 275hp and 325ft lbs of torque.

So if you are referring to take off times and fast acceleration, it really wasnt there to begin with.

If you just mean that it barely accelerates and seems to be bogging down on acceleration or hesitation,then parts needs to be checked out.

Check and confirm this information:---------

Is the check engine light on?

How does the engine run at idle - smooth, misfiring?

Any exhaust smoke while idling or accelerating from a stop? If so, what color and does it smell like fuel, coolant, or oil?

The first 2 steps at this point are to first pull the plugs and inspect them for being not just worn, but for signs of running rich(black and sooty) or too lean(whitish) and go from there in of course replacing the plugs, but then testing for vacuum leaks, check fuel pressure regulator vacuum line for fuel in it(replace regulator if found), and if ok, check O2 sensor for being black from soot and replace if needed,

2nd step would be to test engine compression. A worn out engine with low compression will be slow and loss of power on acceleration. if compression on any cylinders are under 100psi, or more than 10% difference between lowest and highest number, then unfortunately a rebuild is in order.

Start by troubleshooting this possibilities.This will help to confirm the issue.

Thanks.

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Tuesday, January 10, 2012

Acceleration lag problem?

Many car drivers notice this issues.The car struggles to rev and accelerate from a stops.

In this cases,Feathering the throttle marginally helps the rate of acceleration.

Also problems like transmission overheating in short trips.
The engine generating frequent cooling clicks after you turn it off.
Will be noticed.Exhaust clicking or crackle is normal and if the gage is low to normal heating issue should not be a problem. Fuel pressure is an issue but needs checked first before replacing the fuel pump. A compression test will confirm a bad or jumped timing belt which will kill performance and not necessarily stop the engine. Has the belt been checked or changed?
If not,then inspect the timing belt properly.If its very old,worn out and damaged.Then replace the timing belt.

This details will help.Thanks.

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