Question about 1987 Pontiac Firebird

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It idles good but when you give it gas it acts like it cant get enough

What possibly could it be

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Change spark plugs air filter and fuel filter

Posted on Mar 22, 2014

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Why would my 2003 focus run good until I had my alternator rebuilt. Now it acts like its not getting gas but checked and its getting gas up to fuel rail.


Some vehicles run poorly after the battery has been disconnected, and will take a few start-restart cycles for the ECU to relearn the idle and fuel trims. Give it a couple of days and see if it improves.
It is also possible that the rebuilt alternator is faulty. Low voltage will cause problems with the EFI system.

May 31, 2014 | Cars & Trucks

1 Answer

Van idles fine but when going the the road giving it gas it acts as if it isn't getting the proper gas ... it back fires....repleaced fuel filter and pump, crank and cam sensior


sounds like the timing is off. check the firing order to be sure your plug wires are on the correct positions on the coil packs. if that checks out, possibly a timing chain may need replaced. i hope this helps
don k.

Jul 24, 2012 | 1999 Plymouth Voyager

1 Answer

98 ford escort ZX2 After driving (20+ miles,usually)car 'acts up', as if gas not getting to it. If I let off gas, drops down to idle, give gas, seems ok for a moment, maybe a few mins. Has shyt-off...


Intermittent problems like yours are the hardest to diagnose. But if it is getting more frequent, at least, may be easier to find. I would start with a fuel pressure check, eliminate as many possibilities as possible. New fuel filter? Maybe a sensor when warmed up is ...well, that would probably register a trouble code. Just fishing, here, but it just possibly could be an ignition problem when warmed up will start mis-behaving- like a bad coil, or ignition module. Good luck.

Oct 30, 2011 | 1998 Ford Escort

1 Answer

My libertys heater only blows heat when I'm giving


first off all if a/c gas presssure is low or no gas at all ( because of some reason you have already lost it) it acts exactly how you you describe. kicks in and out. but cant cool air inside. (first make dealer check it for leaks and let them fill it with proper yellow flourescent dye added gas)

limited het in cabin heater is another issue. if engine is warm and still not enough heat inside, we can say that you have a clogged cabin heater or air pocket is in hoses connected to cabin heater. you need to bleed cooler radiator inm front. you need to raise infront of car and bleed it with bleeding screw. after this check the heat again if still not enouh heat you may need to replace cabin heater.

if engine is not warm enough when you drive slow or let it idle. this means you have a broken thermostate or it is stuck half open.

Aug 02, 2011 | 2003 Jeep Liberty

1 Answer

Cant accelarate down the road acts like its running out of gas


check for a clogged fuel filter, low fuel pump pressure, or a fuel pressure regulator that is stuck in idle flow setting--which is not enough pressure for cruise performance.

Feb 27, 2011 | 1988 Toyota Corolla 4 Door

2 Answers

1995 safari van w stalls when giving it gas. changed fuel pump and filter. replaced egr valve. sometimes rough idle. when it stalls just like you turned off key. then when you try to start it acts like it...


maybe your iac valve is not working? it takes place of a choke or temp sender to computer could be bad which controls t I.A.C. known as the idle control valve,do you have any codes?

Sep 01, 2009 | 1995 GMC Safari

1 Answer

1999 dodge durango is hard to start. Starts with rough idle with some backfire, then idles smooth. after sitting idle for a minute it will act as if wanting to stall on takeoff! Have changed the fuel pump...


FIrst have you tried giving the engine a tune up (ie replaced the spark plugs)

Also you need to check the condition of all the vacumn lines on the engine loss of vacumn can cause poor idling.

Aug 16, 2009 | 1999 Dodge Durango

1 Answer

Runs about thirty miles then acts like flooded or exhaust plugged


try checking your cadlist convert on your exhusted

Dec 26, 2008 | 1996 Dodge Caravan

1 Answer

CAR WONT IDLE, NOT ALTERNATOR


The computer loses it's memory when it is disconnected from the battery for any amount of time. Part of this is the engine idle. The fastest way to "cure" this (takes about 5 mins) is to start it up and give it enough gas to keep it running. Then let off the gas so that it ALMOST stalls and give it a little more gas to keep it running. Repeat about 5-10 times (you will notice it improving). You will need to do this with the AC on and with it off as the idle requirements are different. This worked great in my standard transmission. In the automatic, it's possible you may need to also do the same while it is in the various gears. It's a FAST fix though!

Nov 04, 2008 | 2002 Suzuki XL-7

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