i have a 1988 gmc sierra 1500 and if you put it in drive and put your foot on the gas pedal it barely goes

Asked by Jan 21, 2012 at 01:28 PM about the 1988 GMC Sierra C/K 1500

Question type: Maintenance & Repair

as in the before said it barely goes then eventually gets up to speed i know that someone advanced the timing to about 14 degrees when i put it to 0 degrees and put it in drive and stopped to get out on the street it lugged and then died so in order to keep it running it has to stay advanced the tranny was rebuilt not to long ago and the truck has done this ever since we have had it and has only gotting worse if you start at the bottom of a hill in park in will not go up the hill we have changed the vaccuum advance cleaned the carb plugs wires cap rotor i think it lugs at the begining of ever gear please help i think it is driving me a little nuts or bolts whichever you prefer thanks

2 Answers

10

It sounds like your loosing compression. Take it to a garage and have the to check the compression.It can be caused by differant things but they sould be able to narrow it down.

1 out of 1 people think this is helpful.
30

Have you resently changed your air filter/fuel filter? Make sure none of your fuel lines are kinked or leaking.

Your Answer

Add photo

Related Questions

Search GMC Sierra C/K 1500 Questions

UK Questions

Are you a UK consumer? CarGurus now has a discussion forum in the UK.

GMC Sierra C/K 1500 Experts

#1 John Saffrahn
John Saffrahn
Reputation 120
#2 Andrew Olsen
Andrew Olsen
Reputation 110
#3 tennisshoes
tennisshoes
Reputation 80
View All

Related Models For Sale

Used GMC Sierra 1500
992 Great Deals out of 60,344 listings starting at $1,299
Used Ford F-150
3,110 Great Deals out of 209,134 listings starting at $1,200
Used GMC Sierra
29 listings
Used Jeep Wrangler
520 Great Deals out of 18,486 listings starting at $2,500