Question about 1994 Pontiac Sunbird

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It bogs down after about 15-20 miles. Today I could only go about 15 miles per hour for about 5 minutes. We did a complete tune-up. Changed spark plugs, wires, air filter. Also replaced the thermostat, brake lines and other parts

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Its possible that the fuel pump isn't working properly possibly due to worn pump or corroded wiring going to the pump not allowing full voltage or grnd to the pump

Posted on Aug 07, 2010


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Car idles fine but when you step on the gas it bogs down, and won't accelerate. The car will not go over twenty miles an hour.

what year.
ever tune it up,
no, then the fuel filter i packed, air filter same.
if it is tuned up and newer than 1996 and in USA, (are you)
then you can use any scan tool for $7 and read DTC errors.

to get power from any engine only takes these things.
1: DC power to EFI, a volt meter, proves this is 1min.
2: full compression,. 4 readings.
3: good spark at all spark plugs, 4 tests.
4: good fueling. (tool lean, bog, too rich misfire bog"violent")
there are 4 tests.

the tune up also cleans the EGR valve /
there are other rare failures but the above is the majors.

Oct 09, 2013 | Subaru Outback Cars & Trucks

1 Answer

How much does a tune-up for a 2011 Nissan Sentra cost?

Very strange question for a test. Every region is different, and tune-ups went the way of rotary phones back in the early 1990s. Today's cars only have filters and spark plugs that would be considered part of a tune-up and the plugs can last up to 100,000 miles now.
You probably should call a local garage to get a realistic price - 4 spark plugs and an air filter plus labor at $50 per hour would probably total $100 with tax.

Jun 24, 2012 | 2011 Nissan Sentra 2.0

1 Answer

86, 1.6 liter, VW Golf, gas engine, 55KW, German Spec Car, Car mileage went from 24 to 5 MPG, I changed oil, oil filter, air filter, filled the tires to proper air pressure, changed the spark plugs and...

Check you're catalytic converter, Dont know how fast 40-60 KPH is but if it is near 40 miles per hour and has no power up hill that would be the first thing I would check. second would be Fuel pump... Hope this helps

Feb 14, 2011 | 2001 Volkswagen Golf

1 Answer

My car bogs down when I go around 60 miles per hour changed the fuel filter already had it tuned up and just changed the coil packs bogs down the engine light flashes the code comes up random misfire

check exhaust back pressure at the headers.should be no more than 6 psi..check fuel cap for venting the fuel tank.some caps dont let air in

Jul 01, 2010 | 2003 Chevrolet Impala

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My 1997 millennia S stumbles when you accelerate quickly

Hello. How many miles are on the vehical? Have you ever had, or changed the fuel filter(s)? . The spark plugs and wires? I recommend a quality tune up first to eliminate any small issues. Quinn, Arizona

Jul 25, 2009 | 1997 Mazda Millenia

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I have a 91 F-350 That bogs down at 45 mile per hour and real bad if your pulling a trailer

the culprit could be your fuel filter or the vacuum advance on your distributor.i recomend to replace filter and also do a manuel check of vacuum advance on distributor.

May 07, 2009 | 1991 Ford F350

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How can i change plugs & wires on 1995 Pontiac Grand am 6 cyl

Your mechanic is telling you the truth. That is the only way to replace the spark plugs and wires on the backside of the engine and the price is about right. The labor is 2.1 hours (round down to 2 hours) at $75.00 per hour would be $150. I also think a fuel tune up will correct your problem. A full tune up includes the air filter, fuel filter, spark plugs, and spark plug wires. I hope this has been helpful.

Jan 05, 2009 | 1995 Pontiac Grand Am

1 Answer

Bogs down when step on pedal high speeds

its the fuel will go completely out soon therefore your car will not start......replace it and you engine will not bog might also need a tune up.....if you havent had one in the past couple of years then you need it........

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