i have a 2005 nissan sentra 4 cylinder 1.8 i goto start the car and it wants to start but hesitates and wont start this happend the other day i replaced the spark plugs and it worked for 2 days the fuel pump is kicking in the starter is working it has gas the battery is fairly new all 4 coils have spark to them i cleaned all the grounds and battery terminals does anyone have ideas? please

-Nick
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do you have any check engine light codes? also check your maf, timing chain (tensioner might of went bad and put it out of time), and cam angle sensor if you have spark, and fuel

 

similer problem, garage has looked at timing chain and says its stretched , can they tighten though?they also cant be sure it will fix if we pay grand for new chain
, bad start from cold start , then not too bad next starts etc , very odd, drives well, no noises , no loss of any power
has had new camshaft sensor , should garage have change Crank shaft sensor as well though as Im told they come in pairs

 

i just had the same problem recently in my 2.0 sentra, it was the MAF so get the codes pulled and make sure they check if there are multiple codes cause they didnt see the MAF code on mine the first time around